Momentum, energy, work and power

Question 1

what is the thinking distance

Answer 1

Question 2

what is the stopping distance

Answer 2

Question 3

what is the braking distance

Answer 3

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Question 4

what are the factors affecting the thinking and braking distance

Answer 4

Question 5

what is momentum

Answer 5

Question 6

Demonstrate an understanding of the idea of linear momentum conservation

Answer 6

Question 7

Demonstrate an understanding of the idea of rate of change of momentum

Answer 7

Question 8

explain protective features including bubble wraps, seat belts, crumple zones and air bags

Answer 8

Question 9

Demonstrate an understanding that energy transferred (joule, J) is equal to work done (joule, J)

Answer 9

Question 10

Recall that power is the rate of doing work and is measured in watts, W

Answer 10

Question 11

Recall that one watt is equal to one joule per second, J/s

Answer 11

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Question 12

Demonstrate an understanding of the idea of conservation of energy in various energy transfers

Answer 12

Question 13

use equations and work out calculations

Answer 13

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