Introduction To Momentum (of A Single Object) Question Preview (ID: 44674)


Momentum = Mass • Velocity P = M • V Where P Is The Momentum, M Is The Mass, And V Is The Velocity. The Units For Momentum Would Be Mass Units Times Velocity Units. The Standard Metric Unit Of Momentum Is The Kg•m/s. While The Kg•m/s Is The Standard. TEACHERS: click here for quick copy question ID numbers.

Which object has the greatest momentum?
a) An 18-wheeler tractor trailer at rest.
b) An average mass person walking.
c) A sports car speeding on the highway.
d) A baseball thrown by a student

The momentum for any object is calculated by
a) dividing mass by velocity
b) multiplying mass by velocity
c) multiplying mass by acceleration
d) dividing force by acceleration

If the truck has a mass of 20 kilograms and a velocity of 50 m/s, what is its momentum?
a) 100 kg m/s
b) 1000 kg m/s
c) 1 kg m/s
d) 1 kg m/s

1) The momentum of an object depends upon the object's ___and ____.
a) mass and velocity
b) weight and velocity
c) mass and acceleration
d) mass and distance

Momentum has both size and direction, which means it is a __ quantity
a) Scalar
b) Vector
c)
d)

A(n) __ causes a change in momentum.
a) Force
b) Impulse
c) Impact
d) Collision

A steel ball whose mass is 40 kg is rolling at a rate of 2 m/s. What is its momentum?
a) 20 kg m/s
b) 20 kg/ms
c) 80 kg m/s
d) 80 kg/ms

What is the momentum of an object with a mass of 25 kg and a velocity 5 m/s
a) 125 kg m/s
b) 0.04 kg m/s
c) 5 kg m/s
d) 125 m/s

What letter do we use to represent momentum?
a) P
b) M
c) p
d) m

What are the units of momentum?
a) kg/s
b) N
c) kg/ms
d) kg m/s

A heavy truck has more momentum than a small car (both moving at the same speed) because the truck has a greater ___
a) speed
b) mass
c) height
d) width

A heavy object and a light object have the same momentum. Which has the greater speed?
a) light object
b) heavy object
c) they both have the same speed
d) neither have momentum

A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of the roller coaster ____
a) is greater up the hill than down the hill.
b) is greater down the hill than up the hill.
c) remains the same throughout the ride.
d) is zero throughout the ride

When comparing the momentum of two moving objects, which of the following is correct?
a) The object with the higher velocity will have less momentum if the masses are equal.
b) The more massive object will have less momentum if its velocity is greater.
c) The less massive object will have less momentum if the velocities are the same.
d) The more massive object will have less momentum if the velocities are the same.

A child with a mass of 23 kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of the child with the momentum of the bike.
a) Both the child and the bike have the same momentum.
b) The bike has a greater momentum than the child.
c) The child has a greater momentum than the bike.
d) Neither the child nor the bike has momentum.

Which of the following has the most momentum?
a) a more massive thing moving slowly
b) a less massive thing moving slowly
c) a less massive thing moving fast
d) a more massive thing moving fast

How can you increase the momentum of something?
a) increase the mass and velocity
b) increase the mass only
c) increase the velocity only
d) None of these answers is correct

If a truck has a momentum of 10,000 kg∙m/s, and it is moving at 5 m/s, what is its mass?
a) 2,000 N
b) 2,000 kg m/s
c) 2,000 kg
d) 2,000 m/s

What is the momentum of an object that has a mass of 20 kg and a velocity of -10 m/s?
a) 200 kg m/s
b) -200 kg m/s
c) 2 kg m/s
d) -2 kg m/s

If p= -100 kg m/s and m=10 kg, what is v = ?
a) -1000 m/s
b) -10 m/s
c) -10 kg
d) -1000 kg

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