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प्रश्न
Give two examples of a couple's actions in our daily life.
State two examples of couple in every day life.
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उत्तर
For example, turning a key in a lock and turning a steering wheel.
संबंधित प्रश्न
Where can a body execute free vibrations?
In a door, handle is provided ......... from the hinges.
How does the effect of force differ when it is applied on a rigid body?
Write the expression for the moment of force about a given axis of rotation.
Name of S.I. unit of the rate of change in momentum.
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?
Define couple.
Give any two effects of a force on a non-rigid body.
Under what condition will a set of gears produce a gain in torque.
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.
