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Questions and Answers

Which of the following is the formula for work?

W = F + d

W = Fd (correct)

W = F / d

W = F - d

Work is a scalar quantity because it

has only direction and no magnitude

has both magnitude and direction

has neither magnitude nor direction

has only magnitude and no direction (correct)

If there is no displacement, what can we say about the work done?

Work is done irrespective of the force

Work is done only if the force is large

Work is done irrespective of the displacement

No work is done (correct)

What is the component of force in the direction of displacement?

<p>F cosθ</p> Signup and view all the answers

What must be present for work to be done?

<p>A force and motion or displacement in the direction of the force</p> Signup and view all the answers

Work

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Questions and Answers

Which of the following is the formula for work?

Work is a scalar quantity because it

If there is no displacement, what can we say about the work done?

What is the component of force in the direction of displacement?

What must be present for work to be done?

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