Font size
S
M
L
XL
Worksheets3.1 Forces
Total questions: 31
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
2.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
3.
Force depends on
a)
Force
b)
mass
c)
acceleration
d)
mass and acceleration
4.
The SI Unit of force is
a)
Pascal
b)
Meter/second
c)
Newton
d)
kg
5.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
6.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced?
a)
12 N Right; No
b)
4 N Left; No
c)
12 N Right; Yes
d)
4 N Left; Yes
7.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
8.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
9.
Find the net force: 15 N to the right, and another 15 N to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
10.
You and your friend are playing tug of war. Your friend pulls with a force of 55 N to the right. You pull with a force of 65 N to the left. What is the net force on the rope?
a)
10 N left
b)
20 N
c)
10 N left
d)
10 N right
11.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
12.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
13.
How do you know if and object has balanced force?
a)
It only has one force
b)
it's moving
c)
It has equal forces on all sides
d)
it's staying still
14.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
15.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
16.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
17.
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
18.
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
19.
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
20.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately.
d)
The marble would remain at constant speed.
21.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
22.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
23.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
24.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
25.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
26.
How much force is needed to accelerate a 3kg skateboard at 5m/s2.
a)
8N
b)
1.6N
c)
0.6N
d)
15N
27.
If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?
a)
1 m
b)
2 m/s2
c)
4m/s2
d)
1 m/s2
28.
What is the FORCE?
a)
5 N
b)
10 N
c)
400 N
d)
0 N
29.
Newton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.
a)
M=F/A
b)
F=MA
c)
A= F/M
d)
All of the above
30.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?
a)
100kg
b)
1,250kg
c)
50kg
d)
5kg
31.
Which is an unbalance force?
a)
A book sitting on a desk.
b)
A ball moving in a constant speed in the same direction.
c)
While doing a mannequin challenge Jose suddenly falls over when a bug lands on his nose.
d)
Every student in class is sitting perfectly still at their desks.
Reset
