Font size
WorksheetsPhysical Science Test Review
Total questions: 50
Worksheet time: 58mins
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
unbalanced forces
balanced forces
acceleration
displacement
The upward force on an object falling through the air is
air resistance
momentum
inertia
gravity
The relationship among mass, force, and acceleration is explained by
Law of Conservation of Momentum
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
According to Newton's laws, for any object, the greater the force that's applied to it, the greater its ____________ will be.
acceleration
gravity
displacement
The size of the gravitational force between two objects depends on their
frictional forces
masses and the distance between them
speed and direction
size
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:
the new planet has less gravity than Earth.
the new planet has the same gravity as Earth.
the new planet has more gravity than Earth.
the gravity of the planet doesn't matter. Weight is the same everywhere in the universe.
"To every action there is an equal and opposite reaction" describes which law?
Law of Conservation of Momentum
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
What does the slope of a distance vs. time graph tell you?
the total distance traveled
the speed of the object
the time it took for the object to travel
the acceleration
Calculate the force on an object that has a mass of 10 kg and an acceleration of 4 m/s².
40 N
8 N
2.5 N
0.4 N
A horizontal (flat) line on a velocity vs. time graph shows
positive
negative
changing
zero
Acceleration is rate of change of
position
time
velocity
speed
The ___________ of an object does not change , but it's ____________ can depending on location
mass, volume
mass, weight
weight, mass
weight, volume
When two forces on the same object are equal and opposite, these forces are called
net
balanced
unbalanced
frictional
As the mass of an object increases, its inertia will
decrease
increase
stay the same
be unable to determine
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?
The rock falls slower than the feather.
The rock falls faster than the feather.
The rock and feather fall at the same rate.
The rock and feather remain suspended and do not fall.
An object that is falling freely has a constant what?
speed
velocity
acceleration
nothing is constant
A man weighing 800 N is standing on a chair. In order to support the man, what force is the chair exerting?
less than 800 N
greater than 800 N
800 N up
800 N down
3 m/s north is an example of a(n)
time
speed
acceleration
velocity
Motion is a change in
time
speed
acceleration
position
Which law explaings why someone not wearing a seatbelt in a car fly forward when the car stops suddenly?
Law of Conservation of Momentum
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
What is the force being applied to an object with a mass of 12 kg and an acceleration of 4 m/s²?
48N
8 N
2.5 N
4.8 N
If a 53 kg boulder falls off a cliff, what is the force with which it will hit the ground?
51.9 N
53 N
520 N
43 N
What is the momentum of a baseball with a mass of 2 kg being thrown at a velocity of 85 m/s towards the hitter?
170 N
43 N
1.89 N
0.4 N
What is the mass of a truck that has a momentum of 10,000 kg*m/s and a velocity of 4 m/s North?
7
12,659 g
2,500 N
2,500 Kg
A shark is swimming at a speed of 14m/s until it senses a fish and speeds up up at a rate of 20m/s and catches it in 3 seconds. What was the shark's acceleration?
10 m/s2
0.5 m/s2
2m/s2
5 m/s2
Which one of these is the definition for acceleration?
A change in velocity over time.
A certain distance covered during a second.
The product of mass and velocity.
The amount of energy required to stop an object.
If you multiple velocity by mass you will get the object's .....
acceleration
force
speed
momentum
Newton’s first law of motion: An object at rest remains at rest unless acted on by an _________.
Unbalanced Force.
Act of Inertia
Angry Dog
Unknown Force
Inertia is the tendency of an object to _____ change in its motion.
Keep
Resist
Add
Look for
When an object is at rest it will stay at rest until a force acts upon the object.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Match the correct example with the law it matches with
When an object is at rest it will stay at rest until a force acts upon it.
Newton's 1st law
A crate getting pushed.
Newton's 2nd law
Every action has an equal and opposite reaction.
Newton's 3rd law
When a cannon fires a cannonball the cannon will react with movement. Which law of motion is that?
Newton's 2nd law
Newton's 1st law
Newton's 3rd law
When the person jumps off the skateboard the reaction is that the board will go backwards. Which law does this picture represent?
Newton's 1st law
Newton's 3rd law
Newton's 2nd law
What is the net force?
20 N
0 N
400 N
40 N
Balanced or unbalanced?
balanced
unbalanced
F= mass * acceleration
A 20 kg bike accelerates at 10 m/s2. what is the force acting upon it?
25 Newtons
20 Newtons
200 Newtons
10 Newtons
When you hit a tennis ball with a racket...
The ball exerts more force on the racket
The ball and racket exert the same force on each other
The racket exerts more force on the ball
It depends on how hard you hit it
