The work done by a boy pulling a snow sled up a hill is 425 Joules. What is the power expended by the boy if the he pulls on the sled for 10.5 seconds?

What is the force between all bonds and contact added together?

Ture or False? Efficiency equals the output work, divided by the input work times 100%.

What does a second class level consist of?

Which of the following is a requirement for work to be done?

What is work?

What is a fixed pulley?

What is the equation for power?

Which is not an inclined plane?

A ___________ is an inclined plane around a cylinder or post.

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