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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
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उत्तर
The load in the centre, the fulcrum on one side and the effort on the other side make a lever of the second order.
संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
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Give a reason for the following.
Machines are able to make our work convenient.
What is the purpose of a jack in lifting a car by it?
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(i) Draw a string around the pulleys. Also show the place and direction in which the effort is applied.
(ii) What is the velocity ratio of the system?
(iii) What is the mechanical advantage of the system?
(iv) What assumption do you make in arriving at your answer in part (iii)?
Establish a relationship between efficiency, M.A., and V.R.
Classify the following as a lever, a pulley and an inclined plane:
An axe
Name some simple machines.
Simple machines makes work easier by trading ______ for force.
