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प्रश्न
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उत्तर
The turning effect produced by a force on a rigid body about a point, pivot or fulcrum is called the moment of force or torque. It is measured by the product of force and the perpendicular distance of the pivot from the line of action of the force.
Moment of a force = Force × perpendicular distance of the pivot from the force.
Its SI unit is newton-metre (Nm).
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संबंधित प्रश्न
How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?
How does the effect of force differ when it is applied on a non-rigid body?
What do you mean by the clockwise and anti-clockwise moment of force?
The moment of a force of 25 N about a point is 2.5 N m. Find the perpendicular distance of force from that point.
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
The moment of a force about axis depends ______.
Under what condition will a set of gears produce a gain in torque.
State the units of moment of force.
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
