P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

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P2.3 Motion and forces and Topic 2.4 Momentum, energy and power test 16_17 comments

Transcript of P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

Page 1: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

P2.3 Motion and forces and Topic 2.4 Momentum, energy and power test 16_17

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Page 2: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17
Page 3: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

What is the area of a triangle?

Page 4: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

Mass causes gravity NOT air.Why does the Earth orbit the Sun?What causes star formation?

Page 5: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

weight = force of gravity ≠ gravity

Page 6: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

its or it’s

Page 7: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

The maximum speed of a train must be higher than its average speed. Explain why?

Page 8: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

What are the units of momentum?

Page 9: P2.3 motion and forces and topic 2.4 momentum, energy and power test 16 17

ΣF = Δp/tΣF.t = Δp

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stoppers ≠ brakes