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Science (7th) > Forces/ Interactions Study Quiz > Flashcards

Forces/ Interactions Study Quiz Flashcards

1
Q

The force acted on an object and its mass affects and objects acceleration

A

Newton’s second law

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2
Q

An object will remain at rest unless acted on by an external force

A

Newton’s first law

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3
Q

For every action there is an equal and opposite reaction

A

Newton’s third law

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4
Q

A force that changes the motion of an object

A

Unbalanced force

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5
Q

A net force of 0 Newton’s

A

Balanced force

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6
Q

And object stays in its existing state unless acted upon by an external force

A

Inertia

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7
Q

The force that attracts the body to the center of the earth

A

Gravity

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8
Q

The mass between all masses in the universe

A

Gravitational force

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9
Q

The curved path around a star, planet, or moon

A

Orbit

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10
Q

The act of moving in a elliptical course

A

Revolution

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11
Q

A stationary electric charge caused by friction

A

Static Electricity

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12
Q

Nearness in space or time

A

Proximity

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13
Q

Force is a push or pull (true or False)

A

True

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14
Q

What is the unit of the measurement that measure force

A

Newton

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15
Q

An object with a net force of 0 will move

A

False

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16
Q

Ice is frictionless (true or false)

A

False

17
Q

When walk you use friction to stop, move, and change direction (true or false)

A

True

18
Q

A net force of 10 Newton’s and 50 Newton’s are pushing an object to the right, what’s the net force

A

60 N

19
Q

What is the acceleration of 50 kg object that has 100 N acted on it

A

2 m/s

20
Q

If a truck is going 5 m/s and it weighs 100 kg what is the force needed to move the truck

A

500 N

21
Q

What is mass of an object that is moving 5 m/s with a net force of 100 N

A

20 kg

22
Q

What determines the weight of an object

A

Gravity

23
Q

The larger an electro- magnetic is the stronger it is

A

False

24
Q

When and object has more electrons than protons the object has which charge (negative or positive)

A

Negative

25
Q

Protons have a negative charge (true or false)

A

False

26
Q

What is the most massive object in our solar system?

A

Sun

27
Q

When an object moves father from earth it feels less gravity (true or false)

A

True

28
Q

When taking a test students should be…

A

Silent, even when finished

29
Q

The resistance one object has when moving over to another

A

Friction

30
Q

The act of rotating around an axis or center

A

Rotation

31
Q

A type of magnet in which the magnetic feels is produced by an electrical current

A

Electro magnetic

32
Q

A force pushes an object to the left 20 N and to the right 65 N what is the force

A

35 N to the right

Science (7th) (1 decks)

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