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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
State the effect of force F in of the following diagram.
What is thrust?
State Newton's first law of motion. Why is it called the law of inertia?
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
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?
The moment of a force about axis depends ______.
Classify the following amongst contact and non-contact forces.
Frictional force
Write the expression for the moment of force about a given axis.
State the units of moment of force.
Calculate the length of arm of couple, if a force of 13 N produces a moment of couple of 14.3 Nm.
