Home
Class 11
PHYSICS
A block of mass 2 kg slides down an incl...

A block of mass 2 kg slides down an incline plane of inclination `30^(@).` The coefficient of friction between block and plane is 0.5. The contact force between block and plank is :

A

`20N`

B

`10sqrt3N`

C

`7 sqrt7N`

D

`5sqrt15N`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A block of mass m slides down an inclined plane of inclination theta with uniform speed. The coefficient of friction between the block and the plane is mu . The contact force between the block and the plane is

A block of mass m is placed over rough inclined plane having inclination 30^(@) .The co-efficient of friction between the block and inclined plane is 0.75.The contact force on the block is x/4mg . Find the value of x

A block of mass m = 2kg is resting on a inclined plane of inclination 30^(@) The coefficient of friction between the block and the plane is mu = 0.5 what minimum force F (in newton) should be applied perpendicular to the plane on the block so that the does not slip on the plane?

A block of mass m=2kg is resting on a rough inclined plane of inclination of 30^(@) as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? (g=10m//s^(2))

A block of mass m = 2kg is resting on a inclined plane of inclination 30^(@) as shown in figure The coefficient of friction between the block and the plane is mu = 0.5 what minimum force F (in newton) should be applied perpendicular to the plane on the block so that the does not slip on the plane?

A block of mass m slides down an inclined plane which makes an angle theta with the horizontal. The coefficient of friction between the block and the plane is mu . The force exerted by the block on the plane is

A block of mass 10 kg is placed on rough inclined plane of inclination angle 37^(@) .Coefficient of friction between block & plane is 0*8 , find minimum magnitude of F so that block remains at rest .

A block of mass m sides down an inclined right angled trough .If the coefficient of friction between block and the trough is mu_(k) acceleration of the block down the plane is

A plank of mass 10 kg and a block of mass 2 kg are placed on a horizontal plane as shown in the figure. There is no friction between plane and plank. The coefficient of friction between block and plank is 0.5 .A force of 60 N is applied on plank horizontally. In first 2 s the work done by friction on the block is

A block of mass m = 4 kg is placed over a rough inclined plane as shown in fig . The coefficient of friction between the block and the plane mu = 0.5 A force F = 10N is applied on the block at an angle of 30^(@) . Find the contact force between the block and the plane. k