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Forces. Doing Work. Levers and Pulleys. More Simple Machines. Variety. $ 1. $1. $1. $1. $1. $2. $2. $2. $2. $2. $5. $5. $5. $5. $5. $10. $10. $10. $10. $10. $20. $20. $20. $20. $20. Pushes and pulls. What does a force do?. Changing the motion of an object.
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Forces Doing Work Levers and Pulleys More Simple Machines Variety $1 $1 $1 $1 $1 $2 $2 $2 $2 $2 $5 $5 $5 $5 $5 $10 $10 $10 $10 $10 $20 $20 $20 $20 $20
The pulling force between two objects, such as you and Earth.
Helped to lift the heavy stones to the top of the ancient pyramids of Egypt.