Can work be negative? If yes, give an example. class 9
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yes,work can be negative..if the angle of body is more than 90°.that is obtuse angle for example:-if we pull a heavy box or frictional force.
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Yes, work can be negative.
The work is said to be negative when force and displacement are in negative direction.
Example: A person walking down the stairs with load on its head, the work done is negative as the force applied on the load is in opposite direction to its displacement.
The work is said to be negative when force and displacement are in negative direction.
Example: A person walking down the stairs with load on its head, the work done is negative as the force applied on the load is in opposite direction to its displacement.
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