ابي حل لهذي الاسئله

[نظرة امل]

the driver of a 1750 kg car traveling on a horizontal road at 110 km/h suddenly applies the brakes . Due to a slippery pavement, the friction of the road on the tires of the car , which is what slows down the car , is 25% of the weight of the car (a)what is the acceleration of the car ? (b)how many meter does it travel before stopping under these condition?



__________

You drag a heavy box along along a rough horizontal floor by a horizontal rope. Identify the reaction force to each of the fol-lowing forces : (a)the pull of the rope the box,(b)the friction force on the box,(c)the normal force on the box ,and (d)the weight of the box.


بلييييييييييييييييييييييييز ابي حلها اليوم

الله يوفق كل من يساعدني