Lesson -- DC intro to momentum

​DC -- Intro to Momentum

By TRACEY RANKIN

Multiple Choice

In a game of billiards, the cue ball strikes the 8-ball and immediately comes to rest. What happens to the cue ball’s momentum?

• It remains the same.

• It is transferred to the 8-ball.

• It remains the same but in the reverse direction.

• It increases due to the collision.

Multiple Choice

In a game of billiards, the cue ball strikes the 8-ball and immediately comes to rest. What happens to the cue ball’s momentum?

• It remains the same.

• It is transferred to the 8-ball.

• It remains the same but in the reverse direction.

• It increases due to the collision.

Multiple Choice

A truck and a Mini Cooper are involved in a head-on collision. (1) Which one
experiences a greater force? (2) Which one has a greater impulse? (3) Which one has a greater change in velocity?

• 1) MC

  2) truck

  3) truck

• 1) equal

  2) truck

  3) MC

• 1) equal

  2) equal

  3) MC

• 1) MC

  2) truck

  3) MC

Multiple Choice

A truck and a Mini Cooper are involved in a head-on collision. (1) Which one
experiences a greater force? (2) Which one has a greater impulse? (3) Which one has a greater change in velocity?

• 1) MC

  2) truck

  3) truck

• 1) equal

  2) truck

  3) MC

• 1) equal

  2) equal

  3) MC

• 1) MC

  2) truck

  3) MC

Multiple Choice

An astronaut went out for a spacewalk carrying a bag of tools and became stranded some distance away from the space station. How can he get back to the space station?

• Abandon the bag of tools. It's dead weight.

• Move arms and legs in a swim motion.

• Facing the station, he should throw the bag of tools.

• Turn his back to the station and throw the bag of tools.

Multiple Choice

An astronaut went out for a spacewalk carrying a bag of tools and became stranded some distance away from the space station. How can he get back to the space station?

• Abandon the bag of tools. It's dead weight.

• Move arms and legs in a swim motion.

• Facing the station, he should throw the bag of tools.

• Turn his back to the station and throw the bag of tools.

Multiple Choice

Objects on Mars weigh about 38% what they do on Earth. While driving on Earth, a Mars rover moves at a speed of 30 mph. If the rover moves with the same speed on Mars, would it have more, less, or the same momentum as when on Earth?

• More

• Less

• the Same

Multiple Choice

Objects on Mars weigh about 38% what they do on Earth. While driving on Earth, a Mars rover moves at a speed of 30 mph. If the rover moves with the same speed on Mars, would it have more, less, or the same momentum as when on Earth?

• More

• Less

• the Same

Multiple Choice

If you throw a ball horizontally while standing on roller skates, you roll backwards. Will you roll backwards if you go through the motions of throwing the ball, but hold on to it instead?

• Yes

• No

Multiple Choice

If you throw a ball horizontally while standing on roller skates, you roll backwards. Will you roll backwards if you go through the motions of throwing the ball, but hold on to it instead?

• Yes

• No

​Finished!