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15 Cards in this Set
- Front
- Back
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Work and energy? |
Measure of how fast we move/how high we are |
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Energy is broken into 2 types |
Kinetic - motion (requires speed) Potential - related to position or circumstance |
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Energy can be _ From kinetic to potential and vice versa |
Transferred |
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Work requires: |
An applied force A distance moved |
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Force pushing in direction of motion |
Work is positive |
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Force pushing against direction of motion |
Work is negative |
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Force is perpendicular to direction of motion |
Work is ZERO |
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Work Kinetic theorem |
Sum of work on object translates to change in K energy |
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Effort force |
Energy YOU contribute |
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Resistance (Load) Force |
What object YOU are moving |
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6 Type of simple machine (4 WE LEARN) |
Lever Wheel and Axel Pulley Inclined Plane |
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Measure how helpful a machine is? |
Mechanical Advantage |
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Effort force FULCRUM. Resistance force. E🔼R |
1ST CLASS Seesaw Crowbar Prybar |
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Effort. RESISTANCE. Fulcrum |
2ND CLASS WHEEL BARREL |
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Fulcrum. EFFORT. Resistance |
3RD CLASS Arms |
