Understanding Energy, Work, and Power EdPuzzle

What is the definition of energy in scientific terms?

• The temperature of an object

• The mass of an object

• The speed of an object

• The ability to perform work

Which of the following is a form of energy?

• Pressure

• Weight

• Density

• Electricity

How is work scientifically defined?

• Force divided by distance

• Force multiplied by distance

• Mass multiplied by gravity

• Velocity multiplied by time

If a can of coke weighs 4.0 Newtons and is carried up 3.0 meters, how much work is done?

• 7 joules

• 12 joules

• 9 joules

• 15 joules

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What unit is used to measure work in physics?

• Watt

• Pascal

• Joule

• Newton

What does the term 'power' refer to in physics?

• The type of energy used

• The rate of doing work

• The force applied on an object

• The distance an object travels

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-3

If moving the can of coke takes 1 second, what is the power in watts?

• 0.12 watts

• 10 watts

• 1.2 watts

• 12 watts

What would the power be if the same task took 10 seconds?

• 0.12 watts

• 1.2 watts

• 12 watts

• 10 watts

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NGSS.HS-PS3-1

How many watts are equivalent to one horsepower?

• 550 watts

• 625 watts

• 1000 watts

• 746 watts

What is the horsepower equivalent if a task is performed at 12 watts?

• 0.004 horsepower

• 0.02 horsepower

• 0.016 horsepower

• 0.01 horsepower