Final Review 2nd Semester

What is the total energy of the system at the top of the hill?

• It equals to the kinetic energy

• It equals to the potential energy

• Its value is zero joules

Tags

NGSS.MS-PS3-2

What is the total energy of the system at the bottom of the hill?

• It equals to the kinetic energy

• It equals to the potential energy

• Its value is zero joules

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Rank the points on the roller coaster from LEAST kinetic energy to MOST kinetic energy?

• 1, 2, 3, 4, 5

• 1, 2, 3, 5, 4

• 4, 5, 3, 2, 1

• 5, 4, 3, 2, 1

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Calculate the potential energy at point one.

• 400,000 joules

• 40,000 joules

• 4,000 joules

• 400 joules

Tags

NGSS.MS-PS3-2

Calculate the kinetic energy at Point 4.

• 400,000 joules

• 40,000 joules

• 4,000 joules

• 400 joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Calculate Bill’s power as he runs the stairs of the stadium.

• 1200 Watts

• 1829 Watts

• 2200 Watts

• 2240 Watts

Tags

NGSS.HS-PS2-1

A 60 kg boy walks upstairs with a total height of 3 meters. How much work did the boy do?

Tags

NGSS.MS-PS3-4

A 30 N box is lifted 10 meters in 5 seconds. How much power is used?

• 60 hp

• 60 Watts

• 750 Watts

• 1500 Watts

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the definition of a machine?

• A device that has no effect on work

• A device that makes work more difficult

• A device that makes work easier

Tags

NGSS.MS-ETS1-1

Use the diagram for the following three questions. How much work is done by pushing the 20 N box 12 meters?

• 20 J

• 32 J

• 200 J

• 240 J