Question

positive work example s

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Answer 1

Explanation:

Positive work: when force and displacement are in the same direction, the work performed on an object is said to be positive work. Example: When a body moves on the horizontal surface, force and displacement act in the forward path. Examples:

1. Work was done the gravity on a rocket going perpendicular upwards.
2. kikking a football
3. moving a chair
4. riding a bicycle
5. throwing a ball or stone
6. cutting fruit with knife
7. car moving forward

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Answer 2

Answer:

1. When a body moves on a horizontal surface, fore and displacement work in same direction.
2. Shooting a bullet.
3. Walking upstairs.
4. Pushing a car horizontally from rest.

Explanation:

When force and displacement are in the same direction then the work performed on an object is said to be positive work.

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