Momentum & Impulse

Momentum & Impulse

By Ms. Weary

Multiple Choice

Does a student standing still have momentum?

• yes

• no

Multiple Choice

If the object is not moving, there is no momentum. True or False?

• True

• False

Multiple Choice

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Multiple Choice

What is the unit for momentum?

• m/s

• kg/s

• kg/m

• kg • m/s

Multiple Choice

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Multiple Choice

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy

Multiple Choice

Which object has more momentum?

• Baseball in the pitchers hand

• baseball, lost, in a messy room

• baseball in flight

• baseball in a catchers mitt

Multiple Choice

Momentum is directly proportional to both mass and velocity. True or False?

• True

• False

Multiple Choice

Momentum is a ____________________ quantity

• science

• scalar

• vector

• energy

Multiple Choice

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

• 0.1 kg-m/s

• 1 kg-m/s

• 10 kg-m/s

• 100 kg-m/s

Multiple Choice

The units for Impulse are...

• kg

• $$N\cdot s$$ or J

• N

• m/s or J

Multiple Choice

The impulse is ______ the change in momentum

• greater than
• equal to
• less than
• always double

Multiple Select

Padded dashboards in cars are safer in accidents than non padded ones because the passenger hitting the dash has...(Select 2)

• Increased time of impact

• Decreased impulse

• Decreased impact force

Multiple Choice

Force and time are ______ proportional

• inversely

• directly

Multiple Choice

Impulse is ________ proportional to time and force

• directly

• indirectly

Multiple Choice

The difference between a car hitting a wall vs. a car hitting a hay stack is

• the Impulse on the car hitting the wall is greater
• the change in momentum of the car hitting the wall is greater
• the force on the car hitting the hay stack is greater
• the collision time of the car hitting the hay stack is greater

Multiple Choice

During a collision. an object experiences an impulse. How can this impulse be calculated?

• Multiplying force by time

• Multiplying mass by velocity

• Dividing velocity by time

• Multiplying mass by acceleration

Multiple Choice

Which of the following has the greatest momentum?

• a scurrying cockroach

• a parked semi-truck

• more information is needed

Multiple Choice

which object has more momentum?

• baby crawling

• car at stoplight

• butterfly in flight

• ant carrying crumb

Multiple Choice

Which one of these objects has the greater amount of momentum?

• A turtle that slowly crosses a road

• A parked car

• A stop sign

Multiple Choice

The more time a force is exerted, the ______ the impact of the force.

• lower

• greater

Multiple Choice

The less time a force is exerted, the ______ the impact of the force.

• greater

• lower

Multiple Choice

Which takes more force  to catch, a bowling ball or a ping pong ball?

• bowling ball because it has more momentum
• ping pong ball because it has more momentum
• both require the same amount of force when catching
• bowling ball because it has less momentum

Multiple Choice

A tiny bullet can have more momentum than a huge truck.

• True

• False

Multiple Choice

Two objects with the same mass will always have the same momentum.

• True

• False