Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
Define the moment of a force about a point and state its SI unit.
2 marksEasyShort answer
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15 questions
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
Distinguish between stable and unstable equilibrium, giving one example of each.
3 marksMediumShort answer
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A uniform metre rule of mass 100 g is pivoted at the 40 cm mark. Where must a 60 gf weight be hung to keep it horizontal?
4 marksHardNumerical
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
Why is the handle of a door fixed at the edge farthest from the hinges?
3 marksMediumApplication based
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A spanner is used to loosen a nut. The turning effect is greatest when the force is applied:
1 markEasyMCQ
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A uniform metre rule is pivoted at its centre. A weight of 50 gf is hung at the 30 cm mark. At which mark must a weight of 20 gf be hung to balance the rule?
3 marksMediumNumerical
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A force of 24 N acts at a perpendicular distance of 25 cm from a pivot. Calculate the moment of the force about the pivot.
3 marksMediumNumerical
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
What is a couple? State one example from everyday life.
2 marksEasyShort answer
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
State the principle of moments.
2 marksEasyShort answer
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A body is in equilibrium when:
1 markMediumMCQ
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
Why is the centre of gravity of a body important when judging its stability?
2 marksMediumShort answer
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A pair of scissors is an example of a lever of:
1 markMediumMCQ
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
A force of 15 N acts at a perpendicular distance of 0.4 m from a pivot. Calculate the moment of the force about the pivot.
2 marksEasyNumerical
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
State the principle of moments. A uniform metre rule is pivoted at its centre. A weight of 40 gf is suspended at the 20 cm mark. At which mark must a weight of 80 gf be suspended to balance the rule?
3 marksMediumStructured
- Answer available
Class 10 · Physics · Force, Turning Effect and Equilibrium
The SI unit of the moment of a force is:
1 markEasyMCQ