WorksheetsPhysics Review
Total questions: 58
Worksheet time: 34mins
What happens when two forces act in the same direction?
They cancel each other out.
The stronger one prevails.
Their strengths are added.
Their sum divided by two is the total force.
The greater the mass of an object,
the easier the object starts moving.
the greater its inertia.
the more balanced it is.
the more space it takes up.
The force of gravity on a person or object on the surface of a planet is called
mass.
weight.
terminal velocity
free fall.
The force that one surface exerts on another when the two rub against each other is called
a. c.
b.. d. .
friction.
inertia.
acceleration
gravity
Forces can be added together only if they are
acting on the same object
unaffected by gravity
balanced forces
substantial
According to the law of conservation of momentum, when two objects collide in the absence of outside forces,
velocity decreases
velocity increases
the objects have the same momentum before and after they collide.
the objects have more momentum after they collide than they did before.
The momentum of an object is in the same direction as its
force.
velocity.
acceleration.
inertia.
According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
creates a friction with the hammer.
disappears into the wood.
exerts an equal and opposite force on the hammer.
moves at a constant speed.
The overall force on an object after all the forces are added together is called the
balanced force
unbalanced force
net force
centripetal force
The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ____________________ than the car.
mass
density
force
friciton
According to Newton’s third law of motion, the strength of a reaction force is ____________________ the strength of the action force.
equal to
negative to
positive to
greater than
Compare the acceleration of the 1-kg object with that of the 2-kg object.
1kg object has more acceleration because it has less mass
1kg object has less acceleration because it has less mass
2kg object has more acceleration because it has more mass
2kg object has less inertia because it has more mass
Define the term inertia.
the amount of matter in an object
the amount of space an object takes up
the tendency of an object to resist a change in motion, determined by mass
The force that one surface exerts on another when the two rub against each other
Acceleration is measured in
m/s
m/s2
s/m2
mph
A______ is a push or pull on an object
move
motion
wave
force
Mass is the measure of _______.
density
pounds
weight
matter
An object at rest, stays at rest until it is acted upon by
unbalanced force
balanced force
friction
inertia
Newton's Law that says one objects exerts an equal and opposite force on another is
4th Law
2nd Law
3rd Law
1st Law
Given a force of 10 Newtons and an acceleration of 2 m/s2, what is the mass?
5 Newtons
20 Kg
5 Kg
20 Newtons
If a 10 kg cart is rolling at 4 m/s2, what is the force?
2.5 n
40 kg
2,5 kg
40 n
The tendency of an object to resist a change in motion.
inertia
friction
repellant
force action pair
Force Action pairs are part of Newton's _____ Law.
3rd
1st
2nd
4th
Force equals _______ times acceleration.
gravity
centripetal force
motion
mass
Newtons ____ Law is also known as the Law of Inertia.
4th
3rd
2nd
1st
The SI unit for mass is
pounds
kg
liters
meters
The change in distance and direction is
velocity
reference point
relative position
displacement
Speed is the measure of an objects ______per unit of time.
constant speed
velocity
distance
instantaneous speed
Acceleration is a measure of the change in _____ over time.
velocity
speed
kph
mph
Balanced forces result in _________.
net force of 0
net force of 10
movement
attractive force
Unbalanced forces ALWAYS result in which of the following?
acceleration
constant velocity
constant speed & direction
inertia
Which of the following is NOT an example of unbalanced forces?
a turning car
a car breaking to a stop
a car traveling 60 mph constantly
a car accelerating down a hill
Which of the following is NOT an example of unbalanced forces?
a skateboard speeding up down a ramp
a skateboard popping up in the air, then back down
a skateboard slowing down to a stop
a motionless skateboard
Which of the following is NOT an example of balanced forces?
a roller coaster moving forward at a constant speed of 10 m/s
a roller coaster sitting motionless while passengers get on
a roller coaster going around a loop at a constant speed
Which of the following describes the motion of the door?
increasing speed to the left
constant speed to the left
increasing speed to the right
constant speed to the right
Which of the following would naturally result in acceleration? *multiple answers*
going uphill or downhill
a flat stretch of unchanging road
a change in surface friction
a turn
Describe this object's motion.
constant speed
constant acceleration
increasing acceleration
increasing speed
Describe this object's motion.
*multiple answers*
constant speed
constant acceleration
increasing acceleration
increasing speed
The white car hit the gray car, yet both cars were damaged. Why is that?
An object at rest will remain at rest unless acted on by an unbalanced force.
If you apply more force to an object, it will accelerate more.
For every action, there is an equal and opposite reaction.
The graph shows an object that is _____________.
In motion
At rest
Accelerating
Decelerating
Which ball has more inertia?
300kg
30kg
Which position on the roller coaster has the greatest potential energy ?
A
B
C
D
If you are pushing a dresser across the room, which direction is the force of friction?
The opposite direction of your applied force.
The direction of your applied force.
To the left of your applied force.
To the right of your applied force.
At which location does the roller coaster have the greatest kinetic energy?
A
B
C
D
What is the net force?
0 N
5 N
10 N
15 N
Which answer choice correctly defines "force" as used in physics?
To make someone do something against their will.
A push or pull.
A mysterious energy field created by life that binds the universe.
An organized body of military personnel.
Which net force diagram shows at object "at rest"?
Complete the statement about the principal of Conservation of Energy.
Energy can be changed for one form to another but the total amount of energy
always increases
always decreases
does not change
varies according to the reaction
