Home
Class 11
PHYSICS
A heavy box of mass 20 kg is placed on ...

A heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction between the box and the horizontal surface . Is 0.25 calculate the force of kinetic friction Also calculate acceleration produced under a force of 98 N applied horizontally ?

Text Solution

Verified by Experts

The situation is shown in ure. In the vertical directioin there is no acceleration so
N=mg
Promotional Banner

Similar Questions

Explore conceptually related problems

A block of mass 1kg lies on a horizontal surface in a turck, the coefficient of static fricition between the block and the surface is 0.6, what is the force of fricition on the block. If the acceleration of the truck is 5m//s^(2) .

A block of mass 0.1 is held against a wall applying a horizontal force of 5N on block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:

A block is kept on a rough horizontal surface as shown. Its mass is 2 kg and coefficient of friction between block and surface (mu)=0.5. A horizontal force F is acting on the block. When

A block of mass 15kg is placed on a long trolley. The cofficient of fricition between the block and trolley is 0.18. The trolley accelerates from rest with 0.5m//s^(2) for 20s. then what is the friction force:-

A block of mass 2 kg is kept on a rough horizontal floor an pulled with a force F. If the coefficient of friction is 0.5. then the minimum force required to move the block is :-

A body of mass 2 kg is kept on a rough horizontal surface as shown in the figure. Find the work done by frictional force in the interval t=0 to t=5 sec

A block B is pushed momentarily along a horizontal surface with an initial velocity V. If mu is the coefficient of sliding friction between B and the surface, block B will come to rest after a time ?

A body of mass M is kept on a rough horizontal surface (friction coefficient = mu ). A person is trying to pull the body by applying a horizontal force but the body is not moving. The force by the surface on the body is,

A block of mass "5kg" is placed on a wedge having inclination of 37^(@) with the horizontal. Coefficient of friction between block and wedge is 0.8. Then select the correct statement.

A block of mass 1kg is at rest on a rough horizontal surface having coefficient of static friction 0.2 and kinetic friciton 0.15, find the frictional forces if a horizontal force, (a) F=1N (b) F=1.96N (c) F=2.5N is applied on a block