GCSE Physics – Centre of mass
Learning Objectives
-I can describe the moment of a force
-I can calculate moments and equilibrium
-I can describe an experiment to determine centre of mass
-I can describe the effects of centre of mass
Quiz Summary
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Question 1 of 22
1. Question
What can a force cause?
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Question 2 of 22
2. Question
What can a system of forces cause?
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Question 3 of 22
3. Question
What do we call the turning effect of a force?
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Question 4 of 22
4. Question
What is the principle of moments?
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Question 5 of 22
5. Question
When does the principle of moments apply?
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Question 6 of 22
6. Question
What does equilibrium mean?
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Question 7 of 22
7. Question
What is the moment equation?
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Question 8 of 22
8. Question
What is the moment of a force measured in?
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Question 9 of 22
9. Question
What is the force measured in?
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Question 10 of 22
10. Question
What must distance be in the moment formula?
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Question 11 of 22
11. 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 12 of 22
12. 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 13 of 22
13. 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 14 of 22
14. Question
A 500 N child sits 50 cm from the centre of a seesaw. How far from the centre must a 600N child sit to cause no overall movement?
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Question 15 of 22
15. 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 16 of 22
16. Question
What is the definition of the centre of mass?
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Question 17 of 22
17. Question
What is another name for the centre of mass?
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Question 18 of 22
18. Question
Where is the centre of mass located?
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Question 19 of 22
19. Question
What do we use to find the centre of mass?
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Question 20 of 22
20. Question
What is an irregular object suspended from to find the centre of mass?
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Question 21 of 22
21. Question
How many lines are drawn to find the centre of mass of an irregular object?
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Question 22 of 22
22. Question
Where is the centre of mass for an irregular object?
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