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Physics of Work Quiz

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Questions and Answers

What is the equation for work when a constant force is aligned with the direction of motion?

$W = F + d$

$W = F/d$

$W = F - d$

$W = Fd$ (correct)

When does a force do positive work?

When it is perpendicular to the displacement

When it has a component opposite to the displacement

When it is applied at rest

When it has a component in the direction of the displacement (correct)

What is the work done by the gravitational force when a ball is thrown upwards?

Negative (correct)

Depends on the mass of the ball

Zero

Positive

What happens to work done by a force if it has a component opposite to the displacement?

<p>It is negative</p> Signup and view all the answers

What is the work done by the gravitational force when a ball falls to the ground?

<p>Positive</p> Signup and view all the answers

Physics of Work Quiz

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Questions and Answers

What is the equation for work when a constant force is aligned with the direction of motion?

When does a force do positive work?

What is the work done by the gravitational force when a ball is thrown upwards?

What happens to work done by a force if it has a component opposite to the displacement?

What is the work done by the gravitational force when a ball falls to the ground?

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