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- 1. Multiple Choice
What is the unit of force?
Meter
Newton
Newton meter
Centimeter
- 2. Multiple Choice
Moment is a measure of the turning effect of a force.
True
False
- 3. Multiple Choice
Pivot is the point about which a force is turned by an object.
True
False
- 4. Multiple Choice
Principle of moments states that an object is balanced when clockwise moments are equal to anticlockwise moments.
True
False
- 5. Multiple Choice
Moment = force / distance from pivot
True
False
- 6. Multiple Choice
The greater the force, the greater its turning effect.
True
False
- 7. Multiple Choice
The further the force is from the pivot, the greater its turning effect.
True
False
- 8. Multiple Choice
The bigger the moment of a force, the smaller its turning effect.
True
False
- 9. Multiple Choice
What is the moment acting on the left side of the pivot?
2 Nm
20 Nm
200 Nm
0.2 Nm
- 10. Multiple Choice
What is the moment acting on the right side of the pivot?
2 Nm
20 Nm
200 Nm
0.2 Nm
- 11. Multiple Choice
The beam is balanced.
True
False
- 12. Multiple Choice
A force of 4 N acts on a lever 2 m from the pivot. What is the moment?
8 Nm
6 Nm
2 Nm
3 Nm
- 13. Multiple Choice
One way to increase the turning force on a spanner is to:
Use a shorter spanner
Use a longer pivot
Use a longer spanner
- 14. Multiple Choice
James weighs 200 N and sits 1 m from the pivot. Jane weighs 100 N. How far from the pivot must Jane be to balance the beam?
0.5 m
1 m
2 m
4 m
- 15. Multiple Choice
A cat weighing 50 N is 1 m from the pivot. How far away does a mouse weighing 0.5 N have to be to balance the beam?
1 m
10 m
100 m
1000 m
- 16. Multiple Choice
A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?
2 m
4 m
1 m
0.5 m
- 17. Multiple Choice
A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?
1 m
0.5 m
0.2 m
0.25 m
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