Physics quiz grade 9

What is the correct definition of momentum, p =

• ma

• mv²

• mv

• mc²

Tags

NGSS.HS-PS2-2

Which conditions will result in the smallest change in momentum?

• a large force over a long time period

• a small force over a long time period

• a large force over a short time period

• a small force over a short time period

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

The impulse experienced by a body is equivalent to the body’s change in

• velocity

• kinetic energy

• momentum

• force

Tags

NGSS.HS-PS2-2

Which of the following has the greatest momentum?

• truck with a mass of 2250 kg moving at a velocity of 25 m/s

• car with a mass of 1210 kg moving at a velocity of 51 m/s

• truck with a mass of 6120 kg moving at a velocity of 10 m/s

• car with a mass of 1540 kg moving at a velocity of 38 m/s

Tags

NGSS.HS-PS2-2

A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of the roller coaster

• is greater up the hill than down the hill

• is greater down the hill than up the hill

• remains the same throughout the ride.

• is zero throughout the ride.

Tags

NGSS.HS-PS2-2

An ice skater initially skating at a velocity of 3 m/s speeds up to a velocity of 5 m/s. The momentum of the skater

• decreases.

• increases.

• remains the same.

• becomes zero.

Tags

NGSS.HS-PS2-2

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

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

Tags

NGSS.HS-PS2-2

The impulse is ______ the change in momentum

• Greater than
• Equal to
• less than
• always double

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

The units for Impulse are

• N/s
• N.s
• N
• m/s