SPH4U Momentum Unit 2 Quiz

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.

• -2.5

• -10

• -18

• -45

Tags

NGSS.HS-PS2-1

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

Tags

NGSS.HS-PS2-2

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

Tags

NGSS.HS-PS2-2

The units for Impulse are

• N/s
• N.s
• N
• m/s

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.

• 1 N.s
• 6 N.s
• 66 N.s 
• None of these

Tags

NGSS.HS-PS2-1

The impulse-momentum theorem states that

• the impulse on an object is equal to the change in momentum it causes 
• the force on a moving object is equal to the magnitude of the impulse.
• the impulse on an object is greater than the change in momentum it causes 
• the impulse on an object is less than the change in momentum it causes

Tags

NGSS.HS-PS2-2

Which of the following has the MOST momentum?

• rolling ping-pong ball

• rolling bowling ball

• rolling soccer ball

• rolling basketball

Tags

NGSS.HS-PS2-2

Which object has more momentum?

• Baseball in the pitchers hand

• baseball, lost, in a messy room

• baseball in flight

• baseball in a catchers mitt

Tags

NGSS.HS-PS2-2

An object has a mass of 8 kg, a displacement of 10 m, and a time of 40 s, what is its momentum?

• 320 kgm/s

• .5 kgm/s

• 3,200 kgm/s

• 2 kgm/s

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

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

Tags

CCSS.7.RP.A.3