WorksheetsForce Quiz
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
A group of students is playing tug-of-war. The students on both sides of the rope are pulling with equal force so
that the rope is not moving. This is an example of
a)
unbalanced forces
b)
balanced forces
c)
acceleration
d)
displacement
2.
A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely
cause of this?
a)
The hose material is very elastic.
b)
The escaping water exerts an equal and opposite force on the hose.
c)
Since the hose is at rest, it tends to stay at rest.
d)
The force exerted on the water equals the mass of the water times its acceleration.
3.
If the same force is applied to each of the balls pictured below, which one will have the LEAST acceleration?
a)
.05
b)
.75
c)
1.0
d)
7.3
4.
Which of the following is measured in Newtons?
a)
momentum
b)
weight
c)
mass
d)
acceleration
5.
The upward force on an object falling through the air is ____.
a)
momentum
b)
air resistance
c)
inertia
d)
gravity
6.
The relationship among mass, force, and acceleration is explained by ____.
a)
Newton's 2nd Law of Motion
b)
Newton's 1st Law of Motion
c)
Law of Conservation of Momentum
d)
Newton's 3rd Law of Motion
7.
According to Newton’s laws, for any object, the greater the force that's applied to it, the greater its
____ will be.
a)
inertia
b)
acceleration
c)
gravity
d)
size
8.
An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut's weight on the new planet will be greater than his weight on Earth if:
a)
the new planet has less gravity than Earth.
b)
the new planet has more gravity than Earth.
c)
the new planet has the same gravity as Earth.
d)
the gravity of the planet doesn't matter. Weight is the same everywhere in the universe.
9.
"To every action there is an equal and opposite reaction" describes which law?
a)
Law of Conservation of Momentum
b)
Newton's 3rd Law of Motion
c)
Newton's 1st Law of Motion
d)
Newton's 2nd Law of Motion
10.
Calculate the force on an object that has a mass of 10 kg and an acceleration of 4 m/s2
a)
8 N
b)
40 N
c)
2.5 N
d)
0.4 N
11.
A 500 N force is applied to a 25 m/s2 object. The mass of the object is ____.
a)
20 kg
b)
20 m/s
c)
12,500 m/s
d)
12,500 kg
12.
The ____ of an object does not change, but its _____ can, based on its location.
a)
mass, weight
b)
mass, volume
c)
weight, mass
d)
weight, volume
13.
When two forces on the same object are equal and opposite, these forces are called _____ forces.
a)
net
b)
balanced
c)
unbalanced
d)
frictional
14.
As the mass of an object increases, its inertia will ________.
a)
decrease
b)
increase
c)
stay the same
d)
be unable to determine
15.
Which two quantities are measured in the same units?
a)
velocity and acceleration
b)
weight and force
c)
mass and weight
d)
force and mass
16.
A student drops a feather and rock at the same time from Mrs. Taylor’s window. If air resistance wasn’t a factor, what should she observe?
a)
The rock falls slower than the feather.
b)
The rock and feather fall at the same rate.
c)
The rock falls faster than the feather.
d)
The rock and feather remain suspended and do not fall.
17.
A man weighing 800 N is standing on a chair. In order to support the man, what force is the chair exerting?
a)
less than 800 N
b)
800 N up
c)
greater than 800 N
d)
800 N down
18.
An object that is falling freely has a constant what?
a)
speed
b)
acceleration
c)
velocity
d)
nothing is constant
19.
What is the net force on the block ?
a)
8 N right
b)
2 N left
c)
8 N left
d)
2 N right
20.
What is the acceleration of the box in the picture ?
a)
7,500 m/s2
b)
300 m/s2
c)
25 m/s2
d)
12 m/s2
21.
What is the weight of the box in the picture ?
a)
25 kg
b)
25 N
c)
245 kg
d)
245 N
22.
If the block in the picture to the right has an acceleration
of 1 m/s2, what would be the block’s mass?
a)
8 kg
b)
0.5 kg
c)
0.135 kg
d)
2 kg
23.
Which of the following best describes how a swimmer moves through the water?
a)
Air resistance limits the swimmer’s speed.
b)
The swimmer uses friction to push himself through the water.
c)
The swimmer pushes off the side of the pool and his inertia keeps him moving through the water.
d)
The swimmer pushes backwards on the water and the water pushes with an equal but opposite force back on
e)
Option 5
24.
In the picture to the right, if the card were quickly pulled off the cup like
the arrow suggests, what property would explain why the coin falls into the cup
rather than moving with the card?
a)
friction
b)
force
c)
air resistance
d)
inertia
100 %
