Energy Quizziz

Calculate the Kinetic Energy (KE) of a girl whose mass is 50 kg who is moving at 4 m/s.

• 200 J
• 800 J
• 400 J
• 100 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

True or false: when the distance an object moves is zero the work done on the object is also zero.  

• True
• False

What is the work done when a 20-N force pushes a cart 3.5 m?

• 70J
• 6.8J
• 23.5J
• 17.5J

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• Both the potential energy and kinetic energy decrease
• The potential energy decreases while the kinetic energy increases 
• The kinetic energy decreases while the potential energy increases 
• Bothe the potential energy and kinetic energy increase 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

While a boulder is on the top of a hill it has what type of energy? 

• Mechanical
• Kinetic
• Potential 
• Reactive 

Tags

NGSS.MS-PS3-2

Which of the following is defined as an energy transfer?

• kinetic energy

• work

• potential energy

• chemical energy

Tags

NGSS.MS-PS3-5

The unit of work is

• watt

• hertz

• joule

• pascal

Rank in order, from largest to smallest, the gravitational potential energies of the balls.

• 1 > 2 = 4 > 3

• 1 > 2 > 3 > 4

• 3 > 2 = 4 > 1

• 3 > 2 > 4 > 1

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

In the equation PE = mgh, what does the “g” mean?

• Acceleration due to gravity

• Force of gravity

• Weight of the object

Tags

NGSS.MS-PS3-2

What is the unit for power?

• what

• watt

• joule

• Jewel-Osco