Define work and explain types of work with example.
Answers
Answer:
Work is said to be done when a body or object moves with the application of external force. We can define work as an activity involving a movement and force in the direction of the force. For example, a force of 30 newtons (N) pushing an object 3 meters in the same direction of the force will do 90 joules (J) of work.
Explanation:
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Answer:
Work done is the product of force in the direction of the displacement and the magnitude of the displacement.
Type of work is
Positive work = Work is said to be positive when the force and the displacement is in the same direction.
Example =Work Done by a horse pulling a cart..
Negative work =Work is said to be negative when the force and the displacement is in opposite direction...
Example =Work done by friction
Zero work =Work done is said to be zero when the angle between the force and displacement is zero or when there is force and no displacement.
Example = Pushing a wall which does not gives any displacement
Explanation:
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