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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 force.
Examples of turning effect of force:
(i) Turning a steering wheel
(ii) Tightening a cap
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संबंधित प्रश्न
What is the SI unit of the moment of force?
State the effect of force F in of the following diagram.
It is easier to open the door by pushing it at its free end.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
State Newton's Second law of motion. Under what conditon does it take the form F = ma?
Name and define the S.I. and C.G.S. units of force. How are they related?
A uniform metre scale can be balanced at the 70.0 cm mark when a mark when a mass 0.05 kg is hung from the 94.0 cm mark
- draw a diagram of the arrangement
- Find the mass of the metre scale
Write the expression for the moment of force about a given axis.
Under what condition will a set of gears produce a gain in torque.
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
