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प्रश्न
Give an example of the following uses of a machine:
to change the direction of force
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उत्तर
A pulley is used to change the direction of application of force.
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संबंधित प्रश्न
A force is applied on (i) a non-rigid body and (ii) a rigid body. How does the effect of the force differ in the above two cases?
How does the effect of force differ when it is applied on a non-rigid body?
State the effect of force F in of the following diagram.
State the effect of force F in of the following diagram.
The spanner (or wrench) has a long handle.
A body X of mass 5 kg is moving with velocity 20 m s-2 while another body Y of mass 20 kg is moving with velocity 5 m S-1. Compare the momentum of the two bodies.
A spanner (or wrench) has a long handle. Why?
Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.
The S.I. unit of moment of force is ______.
State the effects that a force can produce. Given one example of each.
