WorksheetsG9 MX8 Reviewer
Total questions: 40
Worksheet time: 1hrs 12mins
Which of the following statements describes momentum?
the product of body’s mass and velocity
the product of body’s mass and acceleration
the sum of body’s mass and velocity
the sum of body’s mass and acceleration
What type of quantity are momentum and velocity?
director
reactor
scalar
vector
What is the unit for momentum?
kgm/s
kgm/s2
Nkg
Nm/s
What word can best describe the total momentum in an isolated system?
constant
large
lost
low
Calculate the momentum of a car, which has a mass of 1000 kg and moves with a velocity of 20 m/s.
500 kgm/s
10, 020 kgm/s
20000 kgm/s
99 980 kg m/s
The total momentum of two objects before collision is 450 kgm/s. What will be their total momentum after collision?
0 kgm/s
175 kgm/s
350 kgm/s
450 kgm/s
Two objects with a total mass of 20 kg has an initial momentum of 100 kg∙m/s. If the masses stick together after the collision, what is the final velocity of the masses?
1 m/s
5 m/s
50 m/s
100 m/s
Two billiard balls with mass 1.0 kg each are travelling towards each other. The first one is moving at a velocity of 3 m/s, while the other one moves at a velocity of -2m/s. After the collision, one billiard ball moves to the left at a speed of 2 m/s. What is the speed of the other ball?
-3 m/s
-2 m/s
2 m/s
3 m/s
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. If the first boxcar is at rest after the collision, what speed will the second boxcar move?
The Law of Conservation of Momentum states:
The total momentum before a collision is equal to the total momentum after a collision.
The total momentum before a collision is greater than the total momentum after a collision.
The total momentum before a collision is less than the total momentum after a collision.
The total momentum before a collision is not related to the total momentum after a collision.
What is the symbol for momentum?
p
m
M
mo
According to Newton's Laws, for every action there is an ....
equal and opposite reaction.
equal and parallel reaction.
unequal and opposite reaction.
unequal and unrelated reaction.
If two objects collide or explode, they experience
the same force for the same amount of time.
different forces for the same amount of time.
different forces for different amounts of time.
the same force for different amounts of time.
If two objects collide or explode, they experience
the same impulse causing the same change in momentum.
different impulses causing the same change in momentum.
different impulses causing different changes in momentum.
the same impulse causing different changes in momentum.
Pick all of the scenarios below that are collisions.
A catcher catches a baseball.
A pitcher throws a baseball.
Two cars smash into each other.
Two students on roller skates push away from each other.
A bug smashes into a windshield.
Pick all of the scenarios that are explosions.
A cannon fires a cannon ball.
A spoon is shoved into a jar of peanut butter.
A linebacker tackles a member of the opposite team.
A swimmer jumps off a floating raft.
A figure skater throws a heavy ball.
Which cart in the image experiences a greater impulse?
E
F
Same
Not enough info
Which cart in the image experiences a greater force?
E
F
Same
Not enough info
Which of the 0.5kg spheres in the image experiences the greater force?
Black
White
Same
Not Enough Info
Which of the 0.5kg spheres in the image experiences the greater change in momentum?
Black
White
Same
Not Enough Info
The momentum of an object is the sum of its mass and its velocity.
True
False
Newton's Second Law of Motion can be summarized by which equation?
M = F/a
F = ma
F = m/a
Which scenario would most likely occur when a cue ball strikes a pool ball that is at rest?
The cue ball will stop making and also be at rest.
The pool ball will accelerate in the same direction as the cue ball was initially moving.
The cue ball will bounce back from the pool ball around the same velocity.
The pool ball will accelerate to a velocity greater then the cue ball moving.
If each object is moving at the same velocity which will have the least momentum?
Baseball
Bowling Ball
Golf Ball
Tennis Ball
In order for an object to have momentum it must be ________
moving
motionless
alive
asleep
ACTION: Tennis racket applies a force onto the ball.
REACTION: ???
Ball flies away.
Racket is broken.
The ball and racket stop moving.
The ball applies an equal and opposite force onto the racket.
What type of collision would pool balls hitting and bouncing apart be?
Elastic
Inelastic
Where did SOME OF THE MOMENTUM the cue ball (white) had before the collision go?
into the pool stick
into the other balls
it dissipated (disappeared)
It ALL remained in the cue ball.
In an elastic collision, what happens to the total kinetic energy of the system?
It is doubled
It is partially lost
It is conserved
It is completely lost
