Forces

Question 1

Answer 1

Question 2

Determine the distance travelled by the cyclist between Y and Z.

Answer 2

Question 3

Answer 3

Question 4

The speed of the cyclist and trailer increased uniformly from 0 m/s to 2.4 m/s.
The cyclist travelled 0.018 km while accelerating.
Calculate the initial acceleration of the cyclist

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

Immediately after the collision the two players move together to the right.
Calculate the velocity of the two players immediately after the collision 4

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

3

Answer 10

Question 11

Answer 11

Question 12

Answer 12

Question 13

Explain the changing motion of the skydiver in terms of the forces acting on the skydiver.
4

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

There are places on the journey where the train accelerates without changing speed.
Explain how this can happen.

Answer 16

Question 17

Answer 17

Question 18

The data in the table above refers to a car in good mechanical condition driven by an alert
driver.
Explain why the stopping distance of the car increases if the driver is very tired.
2

Answer 18

Question 19

A student looks at the data in the table above and writes the following:
thinking distance ∝ speed
braking distance ∝ speed
Explain whether the student is correct.

Answer 19