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*Forces KS3 #ForestHorsham

Total questions: 33

Worksheet time: 25mins

Name
Class
Date
1.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
2.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
3.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
4.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

5.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
6.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

7.

The unit of force is

a)

Galileos

b)

Newtons

c)

Di Vincis

d)

Einsteins

8.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
9.
What type of force is air resistance?
a)
Contact
b)
Non-contact
10.
What force does an aeroplane have to try to overcome so it is not slowed down too much?
a)
Gravity
b)
Air resistance
c)
Water resistance
d)
Friction
11.
Which of these uses friction?
a)
A parachute
b)
A ball falling through the sky
c)
Brakes on a bike
d)
A wind turbine
12.

The sum of all forces acting on an object.

a)

Contact Force

b)

Balanced Force

c)

Unbalanced Force

d)

Resultant Force

13.

What type of force is friction?

a)

Contact

b)

Non-contact

14.

What type of force is tension?

a)

Contact

b)

Non-contact

15.

What type of force is compression?

a)

Contact

b)

Non-contact

16.

What type of force is normal contact force?

a)

Contact

b)

Non-contact

17.

What type of force is electrostatic force?

a)

Contact

b)

Non-contact

18.

What type of force is magnetic force?

a)

Contact

b)

Non-contact

19.

What type of force is gravitational force?

a)

Contact

b)

Non-contact

20.
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.
21.
Forces that have a net force of zero 
a)
Balanced force
b)
Unbalanced force
22.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
23.
(T or F?) A balanced force is only an object that is not moving. 
a)
True 
b)
False
24.

What is the name of the diagram used to represent the forces acting on an object

a)

Free body diagram

b)

Free flow diagram

c)

Graph

d)

Box diagram

25.

Define drag

a)

a resistance to water moving

b)

a friction force when one object is a liquid or a gas

c)

a type of racing car

d)

a non contact force

26.

define tension

a)

a force exhibited by a motor

b)

a squashing force

c)

force extending or pulling apart

d)

a contact force

27.

Define compression

a)

a force squashing or pushing together

b)

a friction force when one object is a liquid or a gas

c)

a force pulling objects apart

d)

a non contact force

28.

define normal contact force

a)

a force that attracts objects towards each other

b)

friction stopping movement

c)

force extending or pulling apart

d)

a push force acting between two solid objects

29.

which of these is NOT a result of a force being applied

a)

accelleration

b)

decelleration

c)

changing direction

d)

changing shape

e)

Changing mass

30.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
31.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
32.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
33.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks