WorksheetsForces Quizizz
Total questions: 85
Worksheet time: 2hrs 53mins
10 N right
60 N left
The car in the picture is moving at a constant velocity. What forces does the car experience?
Gravity
Gravity and Normal
Gravity, Normal, and Friction
Gravity, Normal, Friction, and Applied
The down-arrow in this diagram is most-likely:
gravity
normal
a push or pull
friction
If this object were moving right, the left-arrow in this diagram is most-likely:
gravity
normal
a push or pull
friction
Whenever an object is moving, there is always this force opposing the motion:
inertia
momentum
friction
applied force
A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the
force of gravity
normal force
friction force
applied force
The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:
normal
abnormal
static
inertia
The force exerted by ropes and chains is called
tension
normal
elastic
mechanical
The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?
No forces are missing
The normal force from the table pushing the cup up.
The normal force form the table pushing the cup down.
The friction force from the table pushing the cup left and right.
What law is best described
1st
2nd
3rd
law of motion
"Forces come in pairs" represents
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
F=ma represents
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia.
m = 300 g
m = 3 kg
m = 3.0 ml
m = 3 N
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object.
3 ft/s
4 ft/s
26 m/s
4 m/s
A unbalanced force means that an object is
zero net force
changing its motion
sitting still
object at rest
A 10 kg, 15 kg, and 20 kg rock are rolling down a hill. Which rock will require the most force to stop?
10 kg rock
15 kg rock
20 kg rock
All 3 rocks will require the same force
When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.
friction
acceleration
force
gravity
Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?
2nd Law
1st Law
3rd Law
A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?
1st Law
2nd Law
3rd Law
Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which law is this an example of?
1st Law
2nd Law
3rd Law
Beth's bike remains stopped at the intersection until she begins pedaling again. Which law is this an example of?
1st Law
2nd Law
3rd Law
Ted is playing with a yoyo outside. When he pushes the yoyo downward it returns back to him with the same force. Which law is this an example of?
1st Law
2nd Law
3rd Law
A 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?
How much force is needed to accelerate a 3 kg skateboard at 5 m/s2.
If you increase the force on an object, its acceleration
decreases.
stays the same.
also increases.
stops.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
m/s2
A 50 kg skater pushed by a friend accelerates 5 m/s2. How much force did the friend apply? The answer to this question is most likely (HINT: Look at the units!!!)
A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2. What is the mass of the object? The answer to this question is most likely (HINT: Look at the units!!!)
Are the forces BALANCED?
The force that causes objects with mass to attract one another.
Weight
Gravity
Mass
Magnetism
The gravitational attraction between two objects would increase if both masses are –
increased, and the distance between them is increased.
increased, and the distance between them is decreased.
decreased, and the distance between them is decreased.
decreased, and the distance between them is increased.
As distance between two objects increase, the pull of gravity
increases.
decreases.
stays the same.
Moon has more mass and therefore more gravity
Moon has less mass and therefore more gravity
Moon has more mass and therefore less gravity
Two factors effecting the magnitude of the force of gravity between two objects are...
The net force is...
50 N
0 N
100 N
2500 N
A car slowing down
Unbalanced force
Balanced force
Motorcycles going at constant speed
Unbalanced force
Balanced force
An airplane taking off
Unbalanced force
Balanced force
Lights hanging from the ceiling
Unbalanced force
Balanced force
Waving a flag
Unbalanced force
Balanced force
When it's moving an object, it will keep at the same speed.
Unbalanced force
Balanced force
The net force is
zero
zero to the left
zero to the right
If the forces are unbalanced, the motion of the object will
speed up, slow down, or change direction.
stay at a constant velocity.
If an object is speeding up or slowing down, then the forces acting on it will be unbalanced.
True
False
The net force is
14 N to the left
14 N to the right
18 N to the right
In the free-body diagram, which of the following is the gravitational force acting on the balloon?
5120 N
950 N
1520 N
4050 N
A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.
A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?
If an object is not moving, the forces acting upon it are _________.
What is true about this image?
It shows unbalance forces.
It shows balanced forces.
The people on the right are winning.
The people on the left are winning.
Two Boxes are pulled along the same surfaces. Box C has more mass than box D. Which box feels the greater force of Friction?
Box C
Box D
Equal
If the object in this picture is in equilibrium (equilibrium = balanced forces), what is the force of friction?
0 N
12 N
8 N
4 N
Is the object in equilibrium (balanced forces)?
Yes
No
Not enough information
The object in this force diagram is...
not moving.
moving at a constant velocity.
speeding up.
either not moving or moving at a constant velocity.
Someone has a weight of 700 N. What is the force of gravity acting on this person equal to?
700 N down
700 N up
70 N down
70 N up
What is the force of gravity acting on a person with a mass of 90 kg?
900 N up
900 N down
90 N up
90 N down
Someone has a weight of 700 N on earth. What is his mass?
700 kg
-700 kg
70 kg
-70 kg
On Mars, someone has a mass of 80 kg but a weight of 1600 N. What is the acceleration due to gravity acting on the person? (g=?)
10 m/s2
15 m/s2
20 m/s2
25m/s2
While on Jupiter, someone has a weight of 800 N (g on Jupiter = 8m/s2 down). What is this person's mass?
100 kg
80 kg
1600 kg
808 kg
Jupiter has an acceleration due to gravity of 8m/s2 while on earth g=10m/s2. If a 70 kg person went to both, where would the person have the higher weight?
Jupiter
Earth
Venus has an acceleration due to gravity of 9m/s2, while on Earth g=10m/s2. If a 70 kg person went to both, where would the person weigh more?
Earth
Venus
