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Balanced and Unbalanced Forces

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun 
d)
A baseball that has been thrown to home plate.
2.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
3.

Which of the following objects will experience an unbalanced force?

a)

A bike rider on a smooth and level road, pedaling at a constant rate.

b)

A train pulling on another train, each with the same amount of force.

c)

A chair sitting on the floor with balanced forces acting in opposite directions.

d)

A ball rolling across the floor with friction acting in the opposite direction.

4.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
5.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
6.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
7.

The moon orbiting the Earth at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

8.

A lamp sitting on a table.

a)

Balanced Force

b)

Unbalanced Force

9.

A car accelerating around a mountain curve.

a)

Balanced Force

b)

Unbalanced Force

10.

Two ice skaters moving in a straight line at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

11.

A skier skiing through flags in a race down the mountain.

a)

Balanced Force

b)

Unbalanced Force

12.
A force has both strength and ________.
a)
power
b)
direction
c)
color
d)
balance
13.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
14.

Sometimes forces cause objects to move.

a)

True

b)

False

15.

What is a force?

a)

A push only

b)

A pull only

c)

A push and a pull

d)

A motion