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Questions and Answers
What is the condition required for work to be done on an object?
What is the condition required for work to be done on an object?
- The object must be at rest
- The object must be in motion
- The force acting on the object must be constant
- There must be displacement of the object and a component of force in the direction of the displacement (correct)
What is the formula for calculating work done by a constant force?
What is the formula for calculating work done by a constant force?
- 𝑊 = 𝐹𝑑
- 𝑊 = 𝐹⃗. 𝑑⃗ (correct)
- 𝑊 = 𝐹/𝑑
- 𝑊 = 𝐹𝑑^2
What is the unit of work?
What is the unit of work?
- [𝑀𝐿 2𝑇 −2 ] (correct)
- [𝑀𝐿𝑇]
- [𝐿]
- [𝐹]
