Physics Semester 2 Exam Part B

Work is measured in the same units as:

• Force

• Momentum

• Mass

• Energy

Tags

NGSS.HS-PS3-2

Which term is the unit of Power?

• Joule

• Newton

• Watt

• Hertz

The work done in lifting an object must result in an increase in the object’s...

• Gravitational Potential Energy

• Kinetic Energy

• Heat Energy

• Electrical Energy

Amy uses 20 N of force to push a lawn mower 10 meters. How much work does she do?

• 20 J

• 2 J

• 200 J

• 0 J

which point has the most kinetic energy

• A

• B

• C

• F

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Unit for Force

• Joules
• Newton
• Meter
• Watt

 What is the kinetic energy of the rock in the picture?

• 0 J
• 50 J
• 5000 J
• 49,000 J

If lamp 1 is unscrewed from its holder, what will happen to lamp 2?

• It will get brighter

• It will stay the same brightness

• It will go out

• Nothing will happen

Tags

NGSS.MS-PS2-3