Principles of Momentum
Collisions
Center of Mass and Angular momentum
Random facts
100

The SI unit for measuring momentum is

What is “kg.m/s”?

100

What is a characteristic of elastic collision?

Total kinetic energy is conserved.

100

What must occur for the angular momentum of a rigid spinning system to increase?

A rigid spinning system must increase its angular speed in order to increase its angular momentum.

100

What is a baby penguin called?

What is a chick?

200

Calculate the momentum of a truck having a mass of 20,000 kg that has a velocity of 30.0 m/s west. 

600,000 kg.m/s west 

200

True or false:

Most collisions occur in two or three dimensions

True.

200

If a trap shooter chatters a flying clay pigeon with a blast shot from his shotgun, will the particles follow the original trajectory of the intact clay pigeon?

No. 

200

True or false:

It is illegal to own just one guinea pig in Switzerlan. 

True

300

True or False:

The object with the larger mass always has the greatest momentum.

False.

300

The collision in the air of two tossed basketballs would be an example of 

What is an elastic collision/ partially elastic collision?

300

When a moving object explodes, the average motion of its particles does not change because of the result of what?

The result of an internal force.
300

What is the name of the spacecraft that took the first Americans to the moon?

Saturn V Rocket.

400

Tripling the velocity of a moving object with triple its 

What is momentum?
400

True or false:

Kinetic energy is conserved in an inelastic collision?

False.

400

For a rolling wheel on a car, what is the relationship between its angular momentum and its linear momentum?

Their vectors are perpendicular to each other. 

400

What does m&m stand for?

Mars and Murrie.

500

Recoil momentum and thrust are related to which of Newton’s Laws?


What is the third law of motion?

500

The purpose of deploying an airbag in a vehicle during a collision is to 

Reduce the impulse of the passenger when he collides with the car’s interior.

500

Assuming a conventional clock faces “up”, the second hand of the clock has what kind of angular momentum. 

What is negative?

500

Where is the heart of a shrimp located?

In its head.