Forces Flashcards

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1
Q

Force

A

A push or pull caused by one object interacting with another

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2
Q

What do unbalanced forces have an affect on?

A

An object’s motion or speed

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3
Q

What is force measured in?

A

Newtons

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4
Q

Contact force

A

A force that occurs as a result of two objects making contact with eachother

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5
Q

Non-contact force

A

A force applied to an object by another body not in direct contact with it

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6
Q

3 examples of a contact force

A

Weight, tension, normal contact force, friction

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7
Q

3 examples of a non-contact force

A

Upthrust, air resistance, magnetic

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8
Q

Formula for weight

A

Weight= mass x gravitational field strength

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9
Q

What does weight mean?

A

The force of gravity pulling an object towards the ground

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10
Q

What does work done against frictional forces result in?

A

Energy being transferred to the thermal store of objects in a system

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11
Q

How do you work out a resultant force from two forces?

A

Subtract the magnitude of the smaller force by that of the larger force

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