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प्रश्न
Give an example for each of the following uses of a machine:
to change the point of application of force
एक पंक्ति में उत्तर
उत्तर
A lever is used to change the point of application of force.
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Moment (Turning Effect) of a Force Or Torque
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
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संबंधित प्रश्न
Where can a body execute free vibrations?
State two effects of a force when applied on a body.
State the effect of force F in of the following diagram.
What are contact forces? Give two Example
State one way to reduce the moment of given force about a given axis of rotation.
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
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State when the moment of force is positive and when it is negative.
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
