What type of simple machine is a bike pedal?
Energy, Work and Power

Flashcard
•
Science, Physics
•
7th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Wheel & Axle
2.
FLASHCARD QUESTION
Front
When you rub your hands together on a cold day, what type of energy conversion occurs?
Back
Mechanical energy into thermal energy
3.
FLASHCARD QUESTION
Front
What type of energy do we use to cook food?
Back
Thermal energy
4.
FLASHCARD QUESTION
Front
Which statement illustrates work done?
Back
A student flicks a paper football and moves it over the edge of a table.
5.
FLASHCARD QUESTION
Front
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
Back
17 m
6.
FLASHCARD QUESTION
Front
What is the definition of work in physics?
Back
Work is done when a force causes an object to move in the direction of the force.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating work?
Back
Work = Force x Distance
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