Work, Energy, and Machines Test Study

The ability to cause change is known as?

• Energy

• Electrcitiy

• Fire

• Water

What is energy called when it is created due to motion or things moving?

• Kinetic energy

• Moving energy

• Motion energy

• Penguin energy

What is a name for stored energy?

• Potential energy

• Battery

• Object energy

• Power storage

If I moved a box across the room what would the amount of energy I use called?

• Work

• Box

• Penguin power

• Power

What is the sum of potential energy and kinetic energy called?

• Mechanical energy

• Kinetic energy

• Potential energy

• Machine power

What is the work done by the man?

• 0 J
• 65 J
• 6500 J
• 0.0065 J

In which of the following situations do your arms do work on books?

• holding a heavy stack of books while standing
• carrying a heavy stack of books
• dropping a stack of books onto a table
• picking up a pile of books from the floor

How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?

• 15 J
• 45 J
• 0 J
• 5 J

If 800 N of force is applied to move an object 20 meters, how will be how much work done?

• 40 J
• 1,600 J
• 400 J
• 16,000 J

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

• 1500 N
• 15 N
• 1.5 N
• 150 N