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A solid sphere of mass and radius is pulled horizontally on a rough surface as shown in Fig.Choose the incorrect alternatives

a)

The magnitude of the frictional force is

b)

The frictional force on the sphere acts forward

c)

The acceleration of the centre of mass is

d)

The acceleration of the centre of mass is



Question ID - 100619 | SaraNextGen Top Answer

A solid sphere of mass and radius is pulled horizontally on a rough surface as shown in Fig.Choose the incorrect alternatives

a)

The magnitude of the frictional force is

b)

The frictional force on the sphere acts forward

c)

The acceleration of the centre of mass is

d)

The acceleration of the centre of mass is

1 Answer
127 votes
Answer Key / Explanation : (a,b,c,d) -

(a,b,c,d)

Acceleration of centre of mass,

Frictional force,

Since ve, friction is directed backward

Option (a),(b), (c) and (d) are incorrect. So option (a), (b), (c) and (d) are the correct options

127 votes


127