Chapter 1 - Forces 1 Flashcards

1
Q

Forces can change what?

A

Shape and speed

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2
Q

What are the contact forces?

A

Friction, air resistance, water resistance and upthrust

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3
Q

What are the non contact forces

A

Magnetism gravity and static electricity

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4
Q

What do we use to measure forces, and what unit?

A

Force meter, and Newton’s

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5
Q

Gravity is a force that…

A

Attracts objects towards each other

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6
Q

Weight is the force of gravity pulling things ——— the earth.

A

Towards

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7
Q

Weight is measured in ——— because it is a force

A

Newton’s

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8
Q

Mass is the amount of matter in something. The units for mass are ———- or ———-

A

Kilograms or grams

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9
Q

Gravity on the moon is ——— than on earth so an object on the ——- would weigh less than on ——- it’s ——- would be the same.

A

Weaker
Moon
Earth
Mass

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10
Q

What is a contact force?

A

A force that needs an object to touch it before it can affect something

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11
Q

What is a non contact force?

A

A force that can affect something from a distance

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12
Q

Name a force which pulls you down

A

Gravity

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13
Q

Name a force that helps to hold things to fridge doors

A

Magnetism

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14
Q

Name a force that needs to touch something to affect it

A

Contact force

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15
Q

Name a force that rubs things away

A

Friction

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16
Q

Name a force that helps a ship float

A

Upthrust

17
Q

Name a force that slows things down through air

A

Air resistance