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7 Cards in this Set
- Front
- Back
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What are the 4 types of forces? |
Support, Weight, Push, Friction |
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What is net force? |
The amount of unbalanced force applied to an object |
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What is the difference between mass and weight? |
Mass is the amount of matter in an object, weight is gravity acting on mass |
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What is the strength of gravity on earth? |
10 N kg-1 |
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What are the laws of energy? |
Energy cannot be created or destroyed, it can only be transformed from one form to other forms. It is impossible to create energy from nothing. |
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What is the calculation for calculating kinetic energy? |
Ek=1/2mv^2 |
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What is the calculation for calculating gravitational potential energy? |
Ep=mgh |
