The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative : Work done by friction on a body sliding down an inclined plane.

The sign of work done by a force on a body is important to understand.

1.	The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative : Work done by friction on a body sliding down an inclined plane.
Answer» SOLUTION :NEGATIVE