Momentum and Impulse - Check Your Knowledge

Which equation is used to calculate momentum?

• p = mv

• p = m/v

• p = m + v

• p = v / m

Match the quantity to its units.

• meters per second

  (m/s)

• mass

• kilograms

  (kg)

• force

• Newtons

  (N)

• velocity

• kilgram meters per second

  (kg m/s)

• time

• seconds

  (s)

• momentum

Calculate the momentum of the object shown in the picture.

The momentum is ___ kg m/s.

ENTER ONLY THE WHOLE NUMBER.

Calculate the total momentum of this system.

• -6 kg m/s

• +6 kg m/s

• +26 kg m/s

• 160 kg m/s

What velocity should Cart 2 have so that the total momentum of this system is ZERO?

The velocity is ___.

These rockets all have the same mass. The forces shown are all applied for 10 seconds.

Rank these objects (greatest to least) according to their final velocity.

• B

• A

• C

Which rocket will have the smallest change in its velocity?

• A

• B

• C