Spring physics review

Work is done when...

• the displacement is not zero.

• the displacement is zero.

• the force is zero.

• the force & displacement are perpendicular.

In which of the following scenarios is no net work done?

• a car accelerates down a hill

• a car travels at constant speed on a flat road

• a car decelerates on a flat road

• a car decelerates as it travel up a hill

Energy form associated with an object in motion

• potential energy

• elastic potential energy

• total energy

• kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Energy form associated with an object due to its position

• potential energy

• positional energy

• total energy

• kinetic energy

Tags

NGSS.MS-PS3-2

Which is a true statement about the conservation of energy?

• potential energy is always conserved

• kinetic energy is always conserved

• total energy is always conserved

What is the equation for momentum (p)?

• p = mv

• p = m/v

• p = FΔt

• Δp = FΔt

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

At what point is the crest represented?

• A

• B

• C

• D

Tags

NGSS.HS-PS4-1

A periodic wave with a wavelength of 4m has a speed of 8 m/s. What is the wave's frequency?

• 2 Hz

• 8 Hz

• 24 Hz

• 32 Hz

Tags

NGSS.HS-PS4-1

Bobby lifts a book to the second floor in 20 seconds. Carol lifts the same book to the second floor in 10 seconds. Who did more work?

• Bobby

• Carol

• The amount of work is the same.

Tags

NGSS.MS-PS3-5

Bobby lifts a book to the second floor in 20 seconds. Carol lifts the same book to the second floor in 10 seconds. Which used more power?

• Bobby

• Carol

• The power was the same.