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pranay -askiitians expert Grade: 12
        

a 0.25 kg block of cheese lies on floor of 900 kg through a distance d1=2.40m and d2=10.5m


(a) through d, normal force on the block from floor is Fn =3N. how much work is done on lift by a force from cable.ANS-25.9


(b) through d2 if work done by lift is 92.61 kg , what is magnitude of Fn. ANS-2.45

6 years ago

Answers : (1)

bhargav teja
33 Points
										

given the normal reaction on floor is 3N


SO m(g+a)=3           m is mass of cheese


 a =2 m/s2


we know work done =F.S


                            = mas                                  ( a=g+a


                            =900.25x 12x 2.4


                            =25.9 kj                                                =12)   

6 years ago
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