Home
Class 12
PHYSICS
A cubical block of mass m and edge a sli...

A cubical block of mass m and edge a slides down a rough inclned plane of inclination `theta` with a uniform speed. Find the torque of the normal force acting on the block about its centre.

A

zero

B

Mga

C

Mg(a/2) sin `theta`

D

Mga cos `theta`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A cubical block of mass M and edge a slides down a rougg inclined plane of inclination theta with a uniform velocity. The torque of the normal force on the block about its centre has magnitude.

A cubical block of mass M and edge a slides down a rougg inclined plane of inclination theta with a uniform velocity. The torque of the normal force on the block about its centre has magnitude.

A block of mass m slides down a rough inclined plane with an acceleration g/2

A block of mass 250 g slides down an incline of inclination 37^0 with a uniform speed. Find the work done against the friction as the block slides through 1.0 m.

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 = 3 kg slides on a rough inclined plane of cofficient of friction 0.2 Find the resultant force offered by the plane on the block

A block of mass m moves with constant speed down the inclined plane of inclination theta . Find the coefficient of kinetic friction.

A block of mass m is placed on a smooth inclined plane of inclination theta with the horizontal. The force exerted by the plane on the block has a magnitude

A block of mass m is placed on a smooth inclined plane of inclination theta with the horizontal. The force exerted by the plane on the block has a magnitude

A body is placed on a rough inclined plane of inclination theta . As the angle theta is the increased from 0^(@) to 90^(@) , the normal force between the block and the plane is,