Physics Mcqs Online Test 7

When a force is parallel to the direction of motion of the body, then work done on the body is?

An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is?
 

The average power and instantaneous power become equal if work is done at?

Which of the following types of force can do no work on the particle on which it acts?
 .

A field in which the work done in a moving a body along closed path is zero is called?

Work done will be maximum if the angle between the force F and displacement d is?

The relation between horse power and watt is?

Proton electron neutron and a particles have same momentum. Which of them have highest K.E?
 

If a body a mass of 2 kg is raised vertically through 2m, then the work done will be?

Slope of work time graph is equal to?