thats alot of FORCE Flashcards

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1
Q

What force pushes you down

A

Not gravity cause that pulls you down

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2
Q

What types of forces are there

A

Push, pull, twist

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3
Q

What is the unit of force

A

Newtons

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4
Q

When you sky dive without a parachute what forces act on you

A

Gravity, air resistant and speed

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5
Q

What is the formula acceleration

A

m/s^2

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6
Q

Describe and explain what happens to a string when the force acting on it is doubled

A

It extends twice as much

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7
Q

A girl applies a force of 5N to close a door. The hinge is 0.75m away from the handle calculate the moment of the force

A

5✖️0.75=3.75Nm ( Newton metres)

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8
Q

Write the directions pressure acts in, in a gas

A

All directions

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9
Q

State what happens to the atmospheric pressure as you go up a mountain

A

It decreases

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10
Q

What direction does liquid pressure act in

A

All directions

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11
Q

What happens to liquid pressure the deeper you go in a lake

A

It gets stronger

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12
Q

What is the unit of stress

A

N/m^2

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