Phys Ch6 New Flashcards by Fajr Altayyar

Q

What is the formula for work with constant force?

A

W = f • S cosø

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Q

How do you calculate work when force varies?

A

Use integration: W = ∫F(x) dx

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Q

What is the formula for kinetic energy?

A

KE = ½ mv^2

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Q

What is the formula for the Work-Energy Theorem?

A

W tot = ▵KE = Kf - Ki

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Q

What is Hooke’s Law?

A

f = -Kx

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Q

What is the work done by or on a spring?

A

W = ½ kx^2

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Q

How do you calculate average power?

A

Average power = W / ▵t

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Q

What is the formula for instantaneous power?

A

p = f • v

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