Force And Motion Flashcards

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1
Q

Name two forces acting on an object.

A

Gravity, upthrust

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2
Q

What is mass?

A

Mass is the amount that can be put into an object.

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3
Q

What is a force?

A

A force is a push or a pull?

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4
Q

What is a lever?

A

A lever is a force multiplier.

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5
Q

What is the point of a lever that stays still?

A

A pivot point.

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6
Q

What does an unbalanced force mean?

A

It means it is moving.

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7
Q

What does a balanced force mean?

A

It means it’s not moving.

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8
Q

What tells the speed of a time series graph?

A

The gradient of the graph

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9
Q

On a time series graph what does a horizontal line mean?

A

It means it is staying still

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10
Q

What are forces measured in?

A

Newtons

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11
Q

How do you calculate pressure?

A

Force divided by area

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12
Q

If a car tire is hot will the pressure in the tire be higher or lower?

A

Higher.

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13
Q

What 2 things increases when you heat up air particles in a tire?

Hint; what does the particles hit and what this topic is about.

A

Rate of collision, pressure

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14
Q

What is a force field?

A

An invisible barrier of force

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15
Q

What do you use to measure force?

A

Newton meter

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