Topic 3 Lesson 1 Review

The ability to do work or cause change:

• work

• energy

• momentum

• power

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

NGSS.HS-PS3-5

A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

• 12 J

• 8 J

• 20 J

• 5 J

Tags

NGSS.MS-PS3-2

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

• 18 m

• 4 m

• 10 m

• 6 m

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

• 100 watts

• 400 watts

• 104 watts

• 50 watts

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a 1300-kg car has been lifted so it has 19500 J of potential energy, it was lifted up ---.

• 1.5 m

• 150 m

• 15 m

• 0.67 m

Tags

NGSS.MS-PS3-2

What is the unit used to measure force? 

• Pounds 
• Grams 
• Newtons 
• kg/ m²

How much work is done by a motor that lifts a train car on El Toro to the top of a 70-meter hill using a force of 15,000 N?

• 1,000,000 J
• 214.29 J
• 1,050,000 J
• 105,000 J

Tags

NGSS.MS-PS3-5

A push or pull that causes an object to move, stop, or change direction.

• force

• friction

• gravity

• weight

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The ability to do work or cause change

• motion

• energy

• force

• power

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

The change in position relative to another object

• work

• force

• motion

• power

Tags

NGSS.MS-PS2-2