John and MIke both weigh the same but John ran up a flight of stairs faster than Mike. Which statement is correct?
Evaluate the mechanical advantage of a ramp that is one meter high and four meters long. (Mechanical advantage = input distance / output distance)
When Rick picks up a heavy box and walks it to his car, he is doing work. Why is it work?
What is the difference between energy and power?
Define power:
Elaine turns on a lamp to do her homework. What did she use energy to produce?
All simple machines provides mechanical advantage. They reduce the amount of effort needed to ___________.
Which of the following scenarios is an example of work being done?
When a toy car with a spring is wound up, it is ready to move. Why does this happen?
When a force is appled to raise a backpack off the floor, it is an example of _______.
Which of the following is an example of energy transfer or work?
A ball moving across a field is an example of work if _______________.
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