Class 10 · ICSE · Physics

Force, Turning Effect and Equilibrium

Moment of a force, couple, principle of moments, centre of gravity and conditions for equilibrium.

Questions: 15
PYQs: 0
Topics: 3

Syllabus mapping: ICSE syllabus (CISCE)

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Moment of a Force2 Principle of Moments1 Centre of Gravity0

Questions

15 questions in this chapter.

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
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
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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

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