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

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

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

The relation between horse power and watt is?
 

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?
 

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

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

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