Ch8 Momentum and Impulse

Momentum is defined as

• mass times its acceleration

• force times its acceleration

• velocity times time interval

• mass times its velocity

Tags

NGSS.HS-PS2-2

Which has more momentum, a large truck moving at 30 m/s or a small car moving at 30 m/s

• both have the same momentum

• the truck

• the car

Tags

NGSS.HS-PS2-2

Compared to his identical twin running at 3 m/s, a guy (who has the same mass) running at 12 m/s has

• twice the momentum

• the same momentum

• four times the momentum

Tags

NGSS.HS-PS2-2

The change in momentum of an object is caused by

• impulse

• force

• velocity

• acceleration

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

Which of the following is the unit for momentum?

• kg/m/s

• kg*m*s

• kg*m/s

Tags

NGSS.HS-PS2-2

When an egg lands on a pillow the force on the egg is decreased because

• the time of collision is decreased

• the time of collision is increased

• the impulse is reduced

• the change in momentum is increased

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

A cart rolls along a track with considerable momentum. If another cart rolling at the same speed has twice as much mass, its momentum would be

• zero

• quadrupled

• unchanged

• doubled

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

When a bowling ball and a golf ball are dropped at the same time from a tower, the reach the ground at the same time, BUT the bowling ball has a higher

• acceleration

• speed

• momentum

Tags

NGSS.HS-PS2-1

What is the correct unit for impulse?

• N/s

• N/kg*s

• N*s

A 2kg ball is thrown at 3 m/s. What is the ball's momentum?

• 2 kg*m/s

• 6 kg*m/s

• 3 kg*m/s

• 9 kg*m/s

Tags

NGSS.HS-PS2-2