<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xhtml="http://www.w3.org/1999/xhtml"
        xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
    
    <url>
        <loc>https://www.khanacademy.org/science/grade-9-physics-snc-aligned/x9650cb4941ab1ab5:dynamics/x9650cb4941ab1ab5:friction-and-its-types/v/friction-and-its-types-pk</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/grade-9-physics-snc-aligned/x9650cb4941ab1ab5:dynamics/x9650cb4941ab1ab5:friction-and-its-types/v/friction-and-its-types-pk" />
        
        <lastmod>2025-12-18T02:00:41.510401167Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="friction-and-its-types-pk">
            <Attribute name="title">Friction and its types</Attribute>
            <Attribute name="description">Created by Khan Academy</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw</video:thumbnail_loc>
            <video:title>Friction and its types</video:title>
            <video:description>Created by Khan Academy</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/ZKMoFw88aQQ.mp4/ZKMoFw88aQQ.mp4</video:player_loc>
            <video:duration>325</video:duration>
            <video:category>Using Forces: Friction</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/ap-college-physics-1/xf557a762645cccc5:force-and-translational-dynamics/xf557a762645cccc5:friction-force/a/what-is-friction</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/fizika-11-klas/x9ee5a5eeacd2adc4:dinamika/x9ee5a5eeacd2adc4:naklonena-ravnina-sili-opan/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="cs"
                    href="https://cs.khanacademy.org/science/fyzika-mechanika/x55c156eef0bfca4e:dynamika/x55c156eef0bfca4e:naklonena-rovina/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="da"
                    href="https://da.khanacademy.org/science/physics-library-copy/x017bc5422e1f44b8:forces-newtons-laws/x017bc5422e1f44b8:inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/ap-college-physics-1/xf557a762645cccc5:force-and-translational-dynamics/xf557a762645cccc5:friction-force/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="fr"
                    href="https://fr.khanacademy.org/science/physique-a-l-ecole/x6e8a541a302cdab5:physique-a-l-ecole-4e-annee-secondaire-2h/x6e8a541a302cdab5:physique-a-l-ecole-4e-2h-statique-plans-inclines-et-frottements/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="hy"
                    href="https://hy.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="pt-pt"
                    href="https://pt-pt.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="ru"
                    href="https://ru.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <xhtml:link rel="alternate" hreflang="zh-hans"
                    href="https://zh.khanacademy.org/science/physics/forces-newtons-laws/inclined-planes-friction/a/what-is-friction" />
        
        <lastmod>2025-08-01T20:15:54.060235323Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="what-is-friction">
            <Attribute name="title">Friction</Attribute>
            <Attribute name="description">Learn how to measure and model the force of friction. Distinguish between kinetic and static friction.</Attribute>
            
            <Attribute name="type">article</Attribute>
            
            </DataObject>
        </PageMap>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:friction/x17f7017799a605d2:friction-and-its-types/e/force-of-friction-and-its-types</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:friction/x17f7017799a605d2:friction-and-its-types/e/force-of-friction-and-its-types" />
        
        <lastmod>2025-06-15T10:36:52.588065596Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="force-of-friction-and-its-types">
            <Attribute name="title">Force of friction and its types</Attribute>
            <Attribute name="description">Force of friction and its types</Attribute>
            <Attribute name="author">Chandan Ganotra</Attribute>
            <Attribute name="type">exercise</Attribute>
            
            </DataObject>
        </PageMap>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/grade-9-physics-snc-aligned/x9650cb4941ab1ab5:dynamics/x9650cb4941ab1ab5:friction-and-its-types/v/factors-affection-friction-pk</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/grade-9-physics-snc-aligned/x9650cb4941ab1ab5:dynamics/x9650cb4941ab1ab5:friction-and-its-types/v/factors-affection-friction-pk" />
        
        <lastmod>2025-12-18T02:00:41.510401167Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="factors-affection-friction-pk">
            <Attribute name="title">Factors affection Friction</Attribute>
            <Attribute name="description">Created by Khan Academy</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw</video:thumbnail_loc>
            <video:title>Factors affection Friction</video:title>
            <video:description>Created by Khan Academy</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/kqckPHjrxL4.mp4/kqckPHjrxL4.mp4</video:player_loc>
            <video:duration>535</video:duration>
            <video:category>Using Forces: Friction</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:friction/x17f7017799a605d2:factors-affecting-friction/e/factors-affecting-friction</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:friction/x17f7017799a605d2:factors-affecting-friction/e/factors-affecting-friction" />
        
        <xhtml:link rel="alternate" hreflang="te"
                    href="https://te.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:friction/x17f7017799a605d2:factors-affecting-friction/e/factors-affecting-friction" />
        
        <lastmod>2025-06-20T17:00:10.254290374Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="factors-affecting-friction">
            <Attribute name="title">⁠Factors affecting friction</Attribute>
            <Attribute name="description">⁠Factors affecting friction</Attribute>
            <Attribute name="author">Chandan Ganotra</Attribute>
            <Attribute name="type">exercise</Attribute>
            
            </DataObject>
        </PageMap>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="fr"
                    href="https://fr.khanacademy.org/science/physique-a-l-ecole/x6e8a541a302cdab5:physique-a-l-ecole-4e-annee-secondaire-1h/x6e8a541a302cdab5:physique-a-l-ecole-4e-1h-travail-energie/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="gu"
                    href="https://gu.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-work-energy-and-power/in-in-class11th-physics-work-energy-and-power-conservative-and-non-conservative-forces/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/9-sinif-fizik/x45c56998b08a82cb:enerji/x45c56998b08a82cb:is-enerji-ve-guc/v/thermal-energy-from-friction" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/thermal-energy-from-friction" />
        
        <lastmod>2024-12-27T03:26:21.376775538Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="thermal-energy-from-friction">
            <Attribute name="title">Energy dissipated by friction</Attribute>
            <Attribute name="description">Learn how to find the energy dissipated by the friction force. Solve an example conservation of energy problem involving thermal energy losses due to friction.</Attribute>
            <Attribute name="author">David SantoPietro</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/fNRTTzkyDk5z-MDH1jNU2WsAk3HwZmAiUahc0whkBfCWeyAjvbU1Nmv8Y5mm_y-_1G6MLFbqJyOZp5jV58RKqqQUjg</video:thumbnail_loc>
            <video:title>Energy dissipated by friction</video:title>
            <video:description>Learn how to find the energy dissipated by the friction force. Solve an example conservation of energy problem involving thermal energy losses due to friction.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/dclP0R2wf7g.mp4/dclP0R2wf7g.mp4</video:player_loc>
            <video:duration>887</video:duration>
            <video:category>Using Forces: Friction</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/grade-8-science-cambridge-curriculum/xce32f00f19912b26:force-and-pressure/xce32f00f19912b26:uding-forces-friction/v/is-friction-necessary-middle-school-physics-khan-academy-1080p</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/grade-8-science-cambridge-curriculum/xce32f00f19912b26:force-and-pressure/xce32f00f19912b26:uding-forces-friction/v/is-friction-necessary-middle-school-physics-khan-academy-1080p" />
        
        <lastmod>2026-04-20T05:10:45.627247989Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="is-friction-necessary-middle-school-physics-khan-academy-1080p">
            <Attribute name="title">Is Friction necessary?</Attribute>
            <Attribute name="description">Is Friction necessary</Attribute>
            <Attribute name="author">Khan Academy Pakistan</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw</video:thumbnail_loc>
            <video:title>Is Friction necessary?</video:title>
            <video:description>Is Friction necessary</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/-7NUMJjJkzA.mp4/-7NUMJjJkzA.mp4</video:player_loc>
            <video:duration>556</video:duration>
            <video:category>Using Forces: Friction</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:energy/x0c8b40bd4b242f0b:energy-loss-and-its-causes/e/is-friction-necessary</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:energy/x0c8b40bd4b242f0b:energy-loss-and-its-causes/e/is-friction-necessary" />
        
        <xhtml:link rel="alternate" hreflang="hi"
                    href="https://hi.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:energy/x0c8b40bd4b242f0b:energy-loss-and-its-causes/e/is-friction-necessary" />
        
        <lastmod>2026-04-02T06:43:34.981355205Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="is-friction-necessary">
            <Attribute name="title">⁠Is friction necessary? </Attribute>
            <Attribute name="description">⁠Is friction necessary? </Attribute>
            <Attribute name="author">Chandan Ganotra</Attribute>
            <Attribute name="type">exercise</Attribute>
            
            </DataObject>
        </PageMap>
        
    </url>
    
</urlset>
