Actually Useful Equations Flashcards

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1
Q

What links weight mass and gravitational field strength?

A

weight = mass × gravitational field strength

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2
Q

How do you calculate work done?

A

work done = force × distance (along the line of action of the force)

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3
Q

How do you calculate any thing to do with springs

A

force applied to a spring = spring constant × extension

Just rearrange it for whatever you need

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4
Q

What links moment of a force, force and distance

A

moment of a force = force × distance (normal to direction of force)

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5
Q

How would one calculate pressure?

A

pressure =

force on the surface/area on that surface

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6
Q

How to calculate distance traveled?

A

Wrong! Don’t worry this one was hard.

distance travelled = speed × time

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7
Q

How do you get the acceleration of something?

A

acceleration =

change in velocity/ time taken

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8
Q

Someone else finish it cosine I found a ready made one

A

Because*

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