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Yr 8 T3 Simple Machines Depth Study Flashcards
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Work of lifting vs pushing
Both the work of lifting and pushing the load are equal
Work equation (output)
Work = force x distance = m x g x h (10kg x 9.8 × 2m)
Solving force on ramp side (input)
Work divided by new distance = x Newtons
What does a ramp do
Decreases the amount of force needed to get from ground level to B (top)
Power equation
Power = work/time