Forces Flashcards

1
Q

What is a force?

& what is the units?

A

An action which causes acceleration which is a change in motion
Newtons

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2
Q

What is vector addition for?

A

Determines overall (net) force

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3
Q

Balanced Force

A

2 forces acting in a opposide direction with the same magnitude
therefore, it has 0 net force

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4
Q

What is air resistance (drag)?

A

Acts in opposite direction to a personā€™s weight

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5
Q

What is inertia?

A

proportional to mass
the tendency for an object to remain at rest/constant velocity to stay the same until an unbalanced force affects it

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6
Q

Force and acceleration areā€¦

A

directly proportional

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7
Q

Acceleration and mass areā€¦

A

inversely proportional

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8
Q

Acceleration and mass areā€¦

A

inversely proportional

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9
Q

What is mass?

and its units?

A

Amount of matter
kg

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10
Q

What is weight?

and its units?

A

mass x gravitational field of something
N

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11
Q

What Newtonā€™s 3rd Law?

A

For every action there is an equal and opposite reaction

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