GCSE Physics – Momentum I
Learning Objectives
I can calculate momentum when two objects collide
I can recall the units needed for F = mv – mu / t
I can rearrange F = mv – mu / t
I can use F = mv – mu / t
I can estimate the forces in rapid large deceleration
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Question 1 of 32
1. Question
What do crumple zones do in cars?
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Question 2 of 32
2. Question
Why do car safety features extend the time of collision?
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Question 3 of 32
3. Question
If velocity is negative what is the direction of travel?
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Question 4 of 32
4. Question
Why are recoil velocities negative?
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Question 5 of 32
5. Question
What is Newton’s Second Law?
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Question 6 of 32
6. Question
What is the acceleration formula?
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Question 7 of 32
7. Question
What is mv?
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Question 8 of 32
8. Question
What is t?
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Question 9 of 32
9. Question
How can we combine Newton’s Second Law and the acceleration formula?
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Question 10 of 32
10. Question
What force is needed to get a 30 kg stationary bicycle moving at 12 m/s in 5 s?
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Question 11 of 32
11. Question
What force is needed to get a 70 kg stationary man moving at 8 m/s in 10 s?
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Question 12 of 32
12. Question
A 1,500 kg car accelerates from rest to a velocity of 30 m/s in 20 seconds. What is the force acting on the car?
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Question 13 of 32
13. Question
A 1000 kg car accelerates from rest to a velocity of 50 m/s in 55 seconds. What is the force acting on the car?
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Question 14 of 32
14. Question
A boy of mass 50 kg on ice skates throws a ball of 1 kg in front of him at a velocity of 2.5 m/s. At what velocity will he move?
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Question 15 of 32
15. Question
A car of mass 1000 kg travelling at 20 m/s collides with a stationary car of mass 1000 kg. The vehicles move together after impact. Calculate their velocity.
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Question 16 of 32
16. Question
A car of mass 2000 kg travelling at 5 m/s collides with a stationary car of mass 500 kg. The vehicles move together after impact. Calculate their velocity.
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Question 17 of 32
17. Question
A 12,000 kg lorry travelling at 2 m/s collides with a stationary car of mass 1500 kg, and the vehicles move together after impact. What is their velocity?
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Question 18 of 32
18. Question
A lorry of mass 12,000 kg travelling at 15 m/s crashes into a moving car of mass 1500 kg, travelling at 5 m/s. The vehicles move together after impact – what is their velocity?
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Question 19 of 32
19. Question
A car of mass 1500 kg travelling at 10 m/s crashes into a car of mass 1500 kg travelling at 5 m/s. The vehicles move together after impact – what is their velocity?
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Question 20 of 32
20. Question
A cannon of mass 300 kg, with a 5 kg cannonball is fired. The ball moves with a velocity 50 m/s. Calculate the recoil velocity of the cannon.
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Question 21 of 32
21. Question
A cannon of mass 200 kg, with a 10 kg cannonball is fired. The ball moves with a velocity 80 m/s. Calculate the recoil velocity of the cannon.
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Question 22 of 32
22. Question
A pistol of 0.5 kg fires a 0.05 kg bullet at 300 m/s. Calculate the recoil velocity of the gun.
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Question 23 of 32
23. Question
A shotgun of mass 3 kg fires a bullet of 0.1 kg at a velocity of 250 m/s. What is the recoil velocity of the gun?
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Question 24 of 32
24. Question
A cannon fires a 10 kg cannonball at 100 m/s and recoils at a velocity of 2 m/s. What is the mass of the cannon?
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Question 25 of 32
25. Question
A van of mass 5,000 kg travelling at 10 m/s collides with a stationary car. The vehicles move off with a velocity of 6 m/s, so what is the mass of the car?
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Question 26 of 32
26. Question
A railway carriage moving at 5 m/s and mass 14,000 kg collides with a stationary railway carriage. What is the total momentum before the collision?
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Question 27 of 32
27. Question
A railway carriage moving at 5 m/s and mass 14,000 kg collides with a stationary railway carriage. What is the total momentum after the collision?
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Question 28 of 32
28. Question
A boy of mass 50 kg on ice skates throws a ball of 1 kg in front of him at a velocity of 2.5 m/s. In which direction will he move?
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Question 29 of 32
29. Question
What is used in the equation to estimate the force needed to stop vehicles?
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Question 30 of 32
30. Question
What is used in the equation to estimate the force needed to stop vehicles?
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Question 31 of 32
31. Question
What is used in the equation to estimate the force needed to stop vehicles?
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Question 32 of 32
32. Question
What is the equation to estimate the force needed to stop vehicles?
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