Contact and Non-Contact forces Flashcards

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1
Q

What is a Force?

A

A push or pull that acts on an object due to its interaction with another object

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2
Q

What is force Measured in and is it a scalar or vector?

A

Vector, Newtons

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3
Q

What is a Contact force?

A

Object are physically touching

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4
Q

State 3 Contact forces?

A

Friction, Air resistance, Tension

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5
Q

What is a Non-Contact force?

A

a force that doesnt require objects o be touching

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6
Q

What is Normal-Contact force?

A

an equal and opposite force acting upwards on an object to oppose a force such as weight from a ball on a table

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7
Q

State 3 Non-Contact forces?

A

Gravitational, Electrostatic, Magnetic

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8
Q

What are the features of magnetic and electrostatic forces?

A

attraction and repulsion

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9
Q

What is the law for the strength of non-contact forces?

A

Their strength decreases as the objects get further apart

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