Physical Science Power

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

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If 150 Joules of work is needed to move a box 10 meters, what force was used? 

• 1500 N
• 15 N
• 1.5 N
• 150 N

What is the kinetic energy of a 9 kg book that has a speed of 4 m/s?

• 18 J
• 36 J
• 72 J
• 144 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the potential energy done in lifting a 50 kg barbell 6 m above the floor?

• 150 J
• 300 J
• 1470 J
• 2940 J

How much work does Drax perform pushing Rocket in a cart 200 m with 100 N of force?

• 2 J
• 10,000 J
• 20,000 J
• 40,000 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

At the start of a ski jump, a skier begins at rest at the top of a hill. What types of energies are present?

• Kinetic
• Gravitational
• Kinetic & Gravitational
• Gravitational & Potential

Tags

NGSS.MS-PS3-2

At which point is potential energy greatest?

• W
• X
• Y
• Z

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.HS-PS3-2

Which value and symbol are incorrectly paired?

• work and joules
• force and newton
• power and watt
• potential energy and watt

What is the power required to lift 500 Joules in the air in 2 s?

• 250 W
• 25 W
• 100 W
• 4 W