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Net force

Total questions: 22

Worksheet time: 25mins

Name
Class
Date
1.
Calculate the net force of the object in the image shown.
a)

20N, left

b)

35N, Right

c)

5N, Left

d)

25N, Right

2.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

3.
What is the net force?
a)

20 N, Right

b)

0 N, No direction

c)

400 N, Right

d)

40 N, Right

4.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

5.
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.
6.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

7.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
8.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
9.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
10.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
11.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
12.

When the vectors (arrows) point in opposite directions, what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

13.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
14.

True or False. If forces acting on object are going the same direction we subtract the forces.

a)

True

b)

False

15.

Match the following words with their definition

a)

Normal force

1.

Force felt perpendicular to surface

b)

Force of Friction

2.

Force felt between surfaces

c)

Net Force

3.

Sum of all the forces

d)

Force of Gravity

4.

Downward Force

e)

Air resistance

5.

Force felt when moving through air

16.

The upward force which is exerted against a falling object is

a)

gravity

b)

terminal velocity

c)

air resistance

d)

intertia

17.

A force which causes objects to fall is

a)

weight

b)

gravity

c)

air resistance

d)

absorbency

18.

If you jump out of an airplane, which two forces are acting on you?

a)

Gravity and friction

b)

Force and gravity

c)

Gravity and Air Resistance

19.

Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.

a)
b)
c)
d)

All will have equal air resistance force.

20.
What is a normal force?
a)
It always opposes gravity.
The same as a frictional force.
b)
It is equivalent to the weight of an object.
c)
It acts perpendicular to a contact surface.
d)
It is equivalent to inertia.
21.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
22.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force

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