GCSE Physics – Moments
Learning Objectives
-I can describe how the application of a force can cause an object to rotate
-I can use, rearrange and recall the units needed for M = Fd
-I can describe what happens to an object if the clockwise and anti-clockwise forces are balanced or unbalanced
-I can explain how levers and gears work
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Question 1 of 36
1. Question
What can a system of forces cause?
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Question 2 of 36
2. Question
What can a force cause?
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Question 3 of 36
3. Question
What do we call the turning effect of a force?
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Question 4 of 36
4. Question
What is the principle of moments?
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Question 5 of 36
5. Question
When does the principle of moments apply?
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Question 6 of 36
6. Question
When can we not use the principle of moments?
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Question 7 of 36
7. Question
What is the moment equation?
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Question 8 of 36
8. Question
What is the moment of a force measured in?
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Question 9 of 36
9. Question
What is the force measured in?
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Question 10 of 36
10. Question
What must distance be in the moment formula?
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Question 11 of 36
11. Question
What is the moment of a force acting through the pivot?
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Question 12 of 36
12. Question
What does equilibrium mean?
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Question 13 of 36
13. Question
What is the moment of weight 8 N if it acts through the pivot of a 12 m rod?
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Question 14 of 36
14. Question
A force of 40 N is applied to a spanner to turn a nut at a perpendicular distance of 20 cm. What is the moment of the force?
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Question 15 of 36
15. Question
A force of 200 N is applied to a spanner to turn a nut at a perpendicular distance of 2 cm. What is the moment of the force?
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Question 16 of 36
16. Question
What is the size of a force which provides a 40 Nm moment acting 400cm from the pivot?
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Question 17 of 36
17. Question
What is the size of a force which provides a 100 Nm moment acting 10 cm from the pivot?
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Question 18 of 36
18. Question
A lever is made of a 0.4 m long beam, with the pivot at 0.1 m from the end of the beam. What is the heaviest load that could be lifted using a 500 N force?
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Question 19 of 36
19. Question
A lever is made of a 0.5m long beam, with the pivot at 0.1m from the end of the beam. What is the heaviest load that could be lifted using a 1000N force?
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Question 20 of 36
20. Question
A 500 N child sits 50 cm from the centre of a seesaw. How far from the centre must a 600 N child sit to cause no overall movement?
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Question 21 of 36
21. Question
A 650 N child sits 45 cm from the centre of a seesaw. How far from the centre must a 400 N child sit to cause no overall movement?
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Question 22 of 36
22. Question
A 700 N child sits 32 cm from the centre of a seesaw. How far from the centre must a 450 N child sit to cause no overall movement?
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Question 23 of 36
23. Question
What is a lever?
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Question 24 of 36
24. Question
What do levers consist of?
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Question 25 of 36
25. Question
What is a gear?
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Question 26 of 36
26. Question
What do gears do?
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Question 27 of 36
27. Question
What do two adjacent gears do?
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Question 28 of 36
28. Question
If one gear drives another, what is true about the forces?
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Question 29 of 36
29. Question
If a larger gear is driven by a smaller gear, what happens?
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Question 30 of 36
30. Question
If a smaller gear is driven by a larger gear, what happens?
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Question 31 of 36
31. Question
What is a force multiplier?
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Question 32 of 36
32. Question
Why would we use a force multiplier?
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Question 33 of 36
33. Question
How does a force multiplier work?
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Question 34 of 36
34. Question
What is a distance multiplier?
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Question 35 of 36
35. Question
Why would we use a distance multiplier?
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Question 36 of 36
36. Question
How do distance multipliers work?
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