Mechanical Energy, Forces & Work

What does the Law of Conservation of Energy state?

• Energy can be created but not destroyed.

• Energy cannot be created but can be destroyed

• Energy can be created and destroyed.

• Energy cannot be created or destroyed.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When a roller coaster is at the top of a hill it has

• high potential energy

• high kinetic energy

• low potential energy

• equal amounts of kinetic and potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

When a roller coaster is at the bottom of a hill it has

• high potential energy

• high kinetic energy

• low kinetic energy

• equal amounts of kinetic and potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The sum of potential energy and kinetic energy equals

• work

• transformation

• total energy

• mechanical energy

Which passenger has the most potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

Conservation of energy means that

• energy can be created but not destroyed

• energy can be destroyed but not created

• energy can both be created and destroyed

• energy can neither be created nor destroyed

Tags

NGSS.MS-PS3-5

The energy of motion. It is found in all moving objects. This is known as ____ .

• potential energy
• friction
• kinetic energy
• gravity

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Click to look at the picture. 
The picture is an example of _____ .

• gravity
• potential energy
• kinetic energy
• friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

The sum of the potential and kinetic energy. 

• Potential Energy 
• Kinetic  Energy 
• Mechanical energy 
• Transfer

What are the units for energy?

• Watts

• Joules

• Newtons

• meters

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5