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Force and Motion Bellringer 3

Total questions: 13

Worksheet time: 26mins

Name
Class
Date
1.

After throwing a basketball through the net, Anna observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?

a)

friction

b)

gravity

c)

mass

d)

speed

2.

Chris climbs onto a skateboard ramp halfway between the top and the bottom of the ramp. Because gravity acts on Chris, which is most likely to happen?

a)

He won't move.

b)

He will roll up the ramp.

c)

He will roll down the ramp.

d)

He will float above the ramp.

3.
A push or a pull that can move an object is a __________.
a)

gear

b)

lever

c)

force

d)

machine

4.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
5.
When forces are ___________ the object will move.
a)
unbalanced
b)
balanced
c)
light
d)
gravity
6.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
7.

How does the mass of an object affect the motion of an object?

a)

The greater the mass the less effect a force will have

b)

The greater the mass the greater the effect a force will have

c)

The less the mass the less effect a force will have

d)

It has no effect

8.
Inertia is....
a)
for every action, there is an equal and opposite reaction
b)
larger objects take more force to move 
c)
an object in motion tends to stay in motion unless acted on by an opposite force
d)
a push that acts in the opposite direction and it slows down.
9.
The change in a objects position is________.
a)

Force

b)

Motion

c)

Reaction

10.
The force that pulls all objects toward each other is called_______?
a)
push
b)
pull
c)
gravity
d)
mass
11.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
12.

Which is a force that keeps the planets in orbit around the Sun?

a)

friction

b)

gravity

c)

magnetism

d)

inertia

13.

A spring is attached to a table. Students investigate the motion of a marble when it is launched by the spring. When the students push back the spring, what is the MOST likely path of the marble?

a)

b)

c)

d)