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7th grade physics

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Question
Answer
show A push or pull  
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show Not equal, causes an object to move.  
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show Equal, the same strength, an object doesn't move  
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show All forces acting on an object, total forces  
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show an object in motion stays in motion , an object at rest stays at rest unless acted upon by an unbalanced force  
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show force=mass x acceleration  
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What is friction?   show
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What is gravity?   show
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show The fluid friction experienced by objects falling through the air  
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What is momentum?   show
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What is newtons third law of motion?   show
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What two factures ddetermine the frictional force between two surfaces?   show
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How are mass and weight different?   show
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show fluid, static, rolling, and sliding  
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What is the law of universal gravitation?   show
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show The greater the mass, the greater the momentum.  
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What is the relationship between velocity and momentum?   show
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Created by: ooomber
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