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प्रश्न
A potter turns his wheel by applying a force through the stick near the rim of wheel.
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उत्तर
A potter's wheel has a wheel pivoted at the centre. The potter turns the wheel by means of a stick at the rim of the wheel. He increases the perpendicular distance.
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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?
What is the SI unit of the moment of force?
Name the factors affecting the turning effect of a body
A wheel of diameter 2 m can be rotated about an axis passing through its center by a moment of force equal to 2.0 Nm. What minimum force must be applied on its rim?
Is moment of force a scalar or a vector?
State two factor on which moment of force about a point depends.
A, B and C are the three forces each of magnitude 4 N acting in the plane of the paper as shown in Figure. The point O lies in the same plane.
- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
Classify the following amongst contact and non-contact forces.
normal reaction force,
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
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.
