Intro to Power

What is the definition of power in physics?

• The total energy an object possesses.

• The amount of force applied to an object.

• The amount of work done in a given amount of time.

• The distance an object moves due to a force.

What is the standard unit for power in physics?

• Joules

• Seconds

• Watts

• Newtons

For Power: if you do work faster, it will cause __________in power

• an decrease

• no change

• an increase

Are you enjoying the video lesson?

• Yes

• No

Which type of light bulb uses the least power to produce the same brightness as an incandescent bulb?

• Incandescent bulb

• CFL bulb

• LED bulb

• All use the same amount of power for the same brightness.

How many Watts are equivalent to one horsepower (hp)?

• 1 Watt

• 60 Watts

• 745.7 Watts

• 4 to 8 Watts