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    The frictional force on a vehicle travelling on a road is 0.6 x the vehicles weight. G = 9.81 ms-2. For a vehicle of mass 1200kg.
    Show that the deceleration is 5.9ms-1
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    Weight = mass x gravity
    = 1200kg x 9.81
    =11,772 N

    Frictional force = 0.6 x weight
    =0.6 x 11772
    =7063.2 N

    Force = mass x acceleration
    7063.2 = 1200 × acceleration
    acceleration = 5.886
    =5.9ms^-2
    Posted on the TSR App. Download from Apple or Google Play
 
 
 
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