Regarding lever, select the correct statement from the given below
(i) In beam balance, fulcrum is in the middle
(ii) A nutcracker is an example of third class lever
(iii) In tongs, the fulcrum and the load are at two ends
(iv) Sea-saw is an example of first class lever
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What are the different simple machines used in the fishing rod?
Which of the following form of energy is required to move the wheeled trolley?
When a ball is thrown in the air upward it comes down after some time, because of
What is the unit of measurement of energy?
The lid of a jar is which kind of simple machine
Which of the following activities involves the use of lever
(i) Using your arm to lift a hand bag
(ii) Using scissors to cut clothes
(iii) Using a wheel barrow to transfer tool
While loading of boxes on trucks ramp is used. The surface of the ramp is made smoother because, there would be less
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