This vector sum of pushes and pulls equals the rate of change of an object's momentum.

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Your new ahaNet force

A net force changes an object's momentum. Source: Force ↗

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14This energy transfer equals force multiplied by displacement in the force's direction.RECALL
Work
Measured in joules
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15This physical quantity is the rate of doing work.RECALL
Power
Measured in watts
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16This ratio compares useful energy output with total energy input.RECALL
Efficiency
Usually expressed as a percentage
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