Quiz about Unit 6 Momentum

Question 1

In an Elastic collision the 2 object ______

Accepted Answer

bounce off one another

Answer

stick together

Answer

stretch one another

Answer

break 1 or both objects

Question 2

In an Inelastic collision the 2 object ______

Accepted Answer

stick together

Answer

bounce off one another

Answer

stretch one another

Answer

break 1 or both objects

Question 3

Velocity is not the same for both objects after _______ collision.

Recall: The smaller object will have to have a greater speed than the larger in order to have the same momentum.

Accepted Answer

Elastic

Answer

Inelastic

Answer

Both

Answer

Neither

Question 4

Velocity is the same for both objects during/after an _________ collision.

Accepted Answer

Inelastic

Answer

Elastic

Answer

Both

Answer

Neither

Question 5

Kinetic energy is perfectly conserved in _____ collisions.

Accepted Answer

Elastic

Answer

Inelastic

Answer

Both

Answer

Neither

Question 6

Damage does not occur in _____ collisions, which is why KE is conserved. All the energy is kept as motion (aka mechanical energy)

Accepted Answer

Elastic

Answer

Inelastic

Answer

Both

Answer

Neither

Question 7

Damage DOES occur in _____ collisions, which is why KE is transfered

Accepted Answer

Inelastic

Answer

Elastic

Answer

Both

Answer

Neither

Question 8

Some Kinetic energy is transferred in _____ collisions into heat, light, and sound, because DAMAGE DOES HAPPEN this transfers the motion/mechanical energy to other forms.

Accepted Answer

Inelastic

Answer

Elastic

Answer

Both

Answer

Neither

Question 9

In science, if a property is neither created nor destroyed it is ________ .

IT'S THE LAW

Accepted Answer

conserved

Answer

increased

Answer

decreased

Answer

replaced

Question 10

When two objects collide,

the total momentum (P _before) is ______ the total momentum (P_after) .

Accepted Answer

equal to

Answer

more than

Answer

less than

Answer

unrelated to

Question 11

Vector has

Accepted Answer

Direction and Magnitude

Answer

Direction only

Answer

Magnitude only

Answer

Neither

Question 12

Scalar has

Accepted Answer

Magnitude only

Answer

Direction only

Answer

Direction and Magnitude

Answer

Neither

Question 13

What is the unit for velocity?

Accepted Answer

m/sec

Answer

kg/sec

Answer

kg/m

Answer

kg m/sec

Question 14

Velocity is a _____.

Accepted Answer

Vector

Answer

Scalar

Answer

Never heard of either of those

Answer

It doesn't matter, do what you want. Its all relative anyway.

Question 15

What is the unit for mass?

Accepted Answer

kg

Answer

m/s

Answer

N

Answer

kg m/s

Question 16

Mass is

Accepted Answer

the amount of matter in a substance,

doesn't change because of gravity

Answer

The name of a fish

Answer

Is how heavy an object is

Depends on gravity

Answer

up to you,

Y O L O

your body so you can decide

Question 17

Mass is a _____.

Accepted Answer

Scalar

Answer

Vector

Answer

Never heard of either of those

Answer

It doesn't matter, do what you want. Its all relative anyway.

Question 18

What is the unit for Force?

Accepted Answer

N

Answer

m/s

Answer

kg

Answer

kg m/s

Question 19

Force is _____

Accepted Answer

a push or pull

Answer

measured in Kilograms.

Answer

is the amount of matter in an object

gravity doesn't matter

Answer

only occurs in the Y-axis

because gravity is the only acceleration that truely exists

Question 20

Force is a _____.

Accepted Answer

Vector

Answer

Scalar

Answer

Never heard of either of those

Answer

It doesn't matter, do what you want. Its all relative anyway.

Question 21

The building up of strength or force due to an objects motion

Accepted Answer

Momentum

Answer

Force

Answer

Impulse

Answer

Collision

Question 22

What is the unit for momentum?

Accepted Answer

kg m/s

(translates to Ns)

Answer

kg/s

Answer

N

Answer

kg/m

Question 23

Momentum is ______

Accepted Answer

product of mass and velocity

a qualitative measure of an objects motion

Answer

mass

Answer

velocity

Answer

product of force and time

a qualitative measure of an objects motion

Question 24

Momentum is a _____.

Accepted Answer

Vector

Answer

Scalar

Answer

Never heard of either of those

Answer

It doesn't matter, do what you want. Its all relative anyway.

Question 25

The equation to calculate momentum is

Accepted Answer

m v

Answer

1/2 m v2

Answer

m g h

Answer

F t

Question 26

Determine the momentum of 100-kg car moving southward at 20 m/s.........

Accepted Answer

2,000 Kg * m/s south

Answer

50 Kg * m/s south

Answer

5 Joules

Answer

1, 000 kg * m/s south

Question 27

Which has more momentum:

a 200kg car traveling 15m/s or a 15 kg bike moving at 15m/s

Accepted Answer

car

Answer

bike

Answer

they are equal

Answer

cannot determine using the info provided

Question 28

Equation to calculate total momentum?

Accepted Answer

p1+p2

Answer

mvf-mvi

Answer

123

Question 29

When the mass is constant,

speed of an object is doubled,

its momentum ______ .

Accepted Answer

doubles

Answer

remains unchanged in accord with the conservation of momentum.

Answer

halves

Answer

what the... , what?

Question 30

When the mass is constant,

speed of an object is halved,

its momentum ______ .

Accepted Answer

halves

Answer

remains unchanged in accord with the conservation of momentum.

Answer

doubles

Answer

let's see... a rock is slower so...

Question 31

When the speed is constant

and the mass of an object is doubled,

its momentum _____

Accepted Answer

doubles

Answer

remains unchanged in accord with the conservation of momentum.

Answer

halves

Answer

how cares

Question 32

When the speed is constant

and the mass of an object is halved,

its momentum _____

Accepted Answer

halves

Answer

remains unchanged in accord with the conservation of momentum.

Answer

doubles

Answer

ENOUGH !

Question 33

What is the unit for impulse?

Accepted Answer

Ns

(can translate to kg m/s)

Answer

N

Answer

kg/m

Answer

kg/s

Question 34

The impulse is ______ the change in momentum

Accepted Answer

Equal to

Answer

Greater than

Answer

less than

Answer

always double

Question 35

5kg cat, starting from rest,

runs toward a sleeping bulldog reaching a momentum of 2.5 kg m/s.

The impact occurs in 2 sec.

What is the impulse upon impact?

Accepted Answer

2.5 Ns

Answer

12. Ns

Answer

5 Ns

Answer

1.25 Ns

Question 36

Impulse is a _____.

Accepted Answer

Vector

Answer

Scalar

Answer

Never heard of either of those

Answer

It doesn't matter, do what you want. Its all relative anyway.

Question 37

The Impulse (impact momentum) of an object depends upon the object's ___________&_____________.

Accepted Answer

Force and time

Answer

size and shape

Answer

mass and veloctiy

Answer

mass and energy

Question 38

The equation to calculate Impulse is

Accepted Answer

F t

Answer

m v

Answer

1/2 m v2

Answer

m g h

Question 39

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3s.
Calculate the impulse on the ball.

Accepted Answer

6 N*s

Answer

1 N*s

Answer

33.3 N*s

Answer

None of these

Question 40

The cars impulse is 12Ns, What is the amount of time the impact lasted if the force is 4N?

Accepted Answer

3 sec

Answer

12 sec

Answer

48 sec

Answer

16sec

Question 41

An egg landing on a soft surface will remain intact.

The surface increases the _____ and

decreases the _____ felt during the impact

Accepted Answer

time, force

Answer

impulse, time

Answer

impulse, force

Answer

force, time

Question 42

Bending knees or rolling when falling,

airbags opening up during a crash,

dropping an egg on foam,

Accepted Answer

Reduces injury

by increasing time of impact

Answer

Reduce injury

by decrease time of impact

Answer

increase injury

by decrease Force at moment of excahgne going into the impact

Answer

increase injury

by increasing Force at moment of exchange going into the impact

Question 43

Following through when punching or hitting a board,

fully swinging when batting,

Accepted Answer

increase injury to object

by increasing Force at moment of exchange going into the impact

Answer

Reduce injury

by decrease time of impact

Answer

Reduces injury

by increasing time of impact

Answer

increase injury to object

by decrease Force at moment of excahgne going into the impact

Question 44

How can a tennis ball and a bowling ball have the same momentum?

Accepted Answer

have different speeds

Answer

have the same speed

Answer

one is moving backwards

Answer

they can't

Unit 6 Momentum

44 questions

In an Elastic collision the 2 object ______

In an Inelastic collision the 2 object ______

Velocity is not the same for both objects after _______ collision.
Recall: The smaller object will have to have a greater speed than the larger in order to have the same momentum.

Velocity is the same for both objects during/after an _________ collision.

Kinetic energy is perfectly conserved in _____ collisions.

Damage does not occur in _____ collisions, which is why KE is conserved. All the energy is kept as motion (aka mechanical energy)

Damage DOES occur in _____ collisions, which is why KE is transfered

Some Kinetic energy is transferred in _____ collisions into heat, light, and sound, because DAMAGE DOES HAPPEN this transfers the motion/mechanical energy to other forms.

In science, if a property is neither created nor destroyed it is ________ .
IT'S THE LAW

When two objects collide,
the total momentum (P _before) is ______ the total momentum (P_after) .

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Unit 6 Momentum

44 questions

In an Elastic collision the 2 object ______

In an Inelastic collision the 2 object ______

Velocity is not the same for both objects after _______ collision. Recall: The smaller object will have to have a greater speed than the larger in order to have the same momentum.

Velocity is the same for both objects during/after an _________ collision.

Kinetic energy is perfectly conserved in _____ collisions.

Damage does not occur in _____ collisions, which is why KE is conserved. All the energy is kept as motion (aka mechanical energy)

Damage DOES occur in _____ collisions, which is why KE is transfered

Some Kinetic energy is transferred in _____ collisions into heat, light, and sound, because DAMAGE DOES HAPPEN this transfers the motion/mechanical energy to other forms.

In science, if a property is neither created nor destroyed it is ________ . IT'S THE LAW

When two objects collide, the total momentum (P before) is ______ the total momentum (Pafter) .

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Velocity is not the same for both objects after _______ collision.
Recall: The smaller object will have to have a greater speed than the larger in order to have the same momentum.

In science, if a property is neither created nor destroyed it is ________ .
IT'S THE LAW

When two objects collide,
the total momentum (P _before) is ______ the total momentum (P_after) .