Work, Power, and Energy

What is the potential energy of a 3kg ball that is on the ground?

• 0 J

• 3 J

• 9.8 J

• 29.4 J

A 100 N force is applied to move an object a horizontal distance of 5 meters at constant speed in 10 seconds. How much power is done?

• 50J

• 50W

• 500J

• 500W

Tags

NGSS.MS-PS3-5

What is the energy possessed by the cart?

• potential energy

• kinetic energy

• mostly potential

• mostly kinetic

If the mass of the cart is 15kg, how much is the potential energy of the cart?

• 0J

• 1.2J

• 6J

• 58.8J

Tags

NGSS.MS-PS3-2

If the mass of the cart is 8.12kg, what is the kinetic energy of the cart?

• 0J

• 1.2J

• 6J

• 58.8J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Energy of a rock perched on a cliff is an example of...

• gravitational
• elastic
• chemical
• kinetic

Tags

NGSS.MS-PS3-2

How much work is being done with 200 N of force over 426 meters?

• 85,200 J
• 45,620 J
• 90,480 J
• 62,329 J

The SI unit of work is?

• Joules
• Watts
• Newtons
• meters

The energy of movement is...? 

• Kinetic
• Potential

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Energy that is stored is called...

• Kinetic
• Potential 

Tags

NGSS.MS-PS3-2