When a body slides against a rough horizontal surface, the work done b – McqOptions

MCQOPTIONS

1.	When a body slides against a rough horizontal surface, the work done by friction is ___________
A.	Positive
B.	Zero
C.	Negative
D.	Constant
Answer» D. Constant

Discussion

No Comment Found

Related MCQs

A bullet fired from a gun can pierce a target due to its ___________
A moving hammer drives a nail into the wood. It has kinetic energy.
A person is holding a bucket by applying a force of 10N. He moves a horizontal distance of 5m and then climbs up a vertical distance of 10m. Find the total work done by him?
A gardener pushes a lawn roller through a distance of 20m. If he applies a force of 20kg weight in a direction inclined at 60 to the ground, find the work done by him. (g=9.8m/s<sup>2</sup>)
For a body moving in a circular path, the work done by the centripetal force is ___________
When a body slides against a rough horizontal surface, the work done by friction is ___________
When a body falls freely under gravity, then the work done by the gravity is ___________