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Forces

Authored by Christina Porter

Science

7th Grade

NGSS covered

Used 23+ times

Forces
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What happens when two forces act in the same direction?

They cancel each other out

The stronger one prevails

Their strengths are added

Their sum divided by two is the total force.

Tags

NGSS.MS-PS2-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The greater the mass of an object

the easier the object starts moving

the greater the inertia

the more balanced it is

the more space it takes up

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The force of gravity on a person or object on the surface of a planet is called

mass

terminal velocity

weight

free fall

Tags

NGSS.MS-PS2-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The law of universal gravitation states that any two objects in the universe that have mass, without exception.

attract each other

repel each other

combine to provide a balanced force

create friction

Tags

NGSS.MS-PS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Forces can be added together only if they are

acting on the same object

balanced forces

unaffected by gravity

substantial

Tags

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The force that one surface exerts on another when the two rub against each other is called

friction

acceleration

inertia

gravity

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

According to the law of conservation of momentum when two objects collide in the absence of outside forces,

velocity decreases

velocity increases

the objects have the same momentum before and after they collide.

the objects have more momentum after thye collide than they did before.

Tags

NGSS.HS-PS2-2

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