A block of mass `m` is placed in equilibrium on a moving plank. The maximum horizontal acceleration of the plank for `mu=0.2` is:

A block of mass m=2kg is placed in equilibrium on a moving plank accelerating with a=4m//s^(2) . If coefficient of friction between plank and block mu=0.2 . The friction force acting on theblock is:

A block of mass m=2kg is placed in equilibrium on a moving plank accelerating with a=1m//s^(2) . If coefficient of friction between plank and block mu=0.2 . The friction force acting on theblock is:

A block of mass m is kept on a rough plank which moves with a horizontal acceleration a. If the plank was at rest at t=0 , and the block does not slide relative to the plank, find the work done by friction on the (a) block, (b) plane, (c) system, (block+plank) during time t .

A block of mass m is kept on a rough plank which moves with a horizontal acceleration a. If the plank was at rest at t=0 , and the block does not slide relative to the plank, find the work done by friction on the (a) block, (b) plane, (c) system, (block+plank) during time t .

A block of mass m kg is placed on a plank. The plank is moving with an acceleration 6 hat(i) + 6 hat(j) (in m//s^(2) ). The frictional force acting on the block is (mu = 0.5, g = 10 m//s^(2)) :

A plank of mass M is placed on a rough horizontal surface. A man m walks on the plank with an acceleration 'a' while the plank is also acted upon by a horizontal force F whose magnitude and direction can be adjusted to keep the plank at rest. The coefficient of friction between plank and surface is mu . Choose the correct options. .

A plank of mass M is placed on a rough horizontal surface. A man m walks on the plank with an acceleration 'a' while the plank is also acted upon by a horizontal force F whose magnitude and direction can be adjusted to keep the plank at rest. The coefficient of friction between plank and surface is mu . Choose the correct options. .

A plank of mass m_1 with a uniform sphere of mass m_2 placed on it rests on a smooth horizontal plane. A constant horizontal force F is applied to the plank. With what acceleration will the plank and the centre of the sphere move provided there is no sliding between the plank and the sphere?

A block of mass m is placed gently onto a long plank of mass M moving with a velocity v_(0) on a smooth horizontal floor. If friction is present between M and m :

A block of mass m is gently placed over a massive plank moving horizontal over a smooth surface with velocity 10 ms^(-1) . The coefficient of friction between the block and the plank is 0.2. The distance travelled by the block till it slides on the plank is [g = 10 ms^(-2)]