Home
Class 11
PHYSICS
Now work is done by a force on an object...

Now work is done by a force on an object if

A

the fore is always perpendicular to its velocity

B

the force is always perpendicular to its acceleration

C

the object is stationary but the point of applicaton of the force moves on the object

D

the object moves in such a way that the point of aplication of the forces remains fixed.

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    HC VERMA|Exercise Exercises|64 Videos
  • WORK AND ENERGY

    HC VERMA|Exercise Objective -1|10 Videos
  • WAVE MOTION AND WAVES ON A STRING

    HC VERMA|Exercise Exercises|57 Videos

Similar Questions

Explore conceptually related problems

The work done by a force on the object is equal to the change in its Kinetic. This is called __________

A force 'F' acts on an object and moves through a distance x. What is the work done by the force to move the object from x=0 to x=6 m ………….

The amount of work done by centripetal force on the object moving in a circular path is

What is the work done by the gravity when an object of mass m is taken from ground to some height h with constant velocity ?

Is there any net work done by external forces on a car moving with a constant speed along a straight road ?

A force F is applied on a block of mass M . The block is displaced through a distance d in the direction of the force. What is the work done by the force on the block? Does the internal energy change because of this work?