At which angle work done is maximum?
Correct answer: C. 0-degree
- A. 45-degree
- B. 90 degree
- C. 0-degree
- D. 180 degree
Explanation
Work done is the dot product of force and displacement. Hence,Work done = F d cos θ.Since cos θ is maximum at 0 radians or degrees,the work done is also maximum at 0 degrees.
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About Work
Work is done when a force produces displacement, with its value determined by the component of force along the displacement. The topic covers positive, negative and zero work, work by variable forces from force-displacement graphs, and the connection between net work and change in kinetic energy.
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