Question

Which of the following define the work most accurately?
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1. Work is the product of displacement and component of force in the direction of displacement.
2. Work is the product of force and displacement.
3. Work is the product of force and component of displacement in the direction of force.
4. Work is the product of distance and force applied.

• A. 1 and 3
• B. 2 and 4
• C. 1, 2 and 3
• D. All of these

Answer 1

The correct option is A

1 and 3

Work is the product of displacement and component of force in the direction of displacement. This can alternatively be stated as work is the product of force and component of displacement in the direction of force.