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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A slide
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उत्तर
A slide – An inclined plane
संबंधित प्रश्न
The diagram below shows a wheel barrow. Mark position of fulcrum F and draw arrows to show the directions of load L and effort E. What class of lever is the whell barrow? Give one more example of the same class of lever.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
Give an example of the following use of a machine to obtain gain in force.
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
Classify the following as a lever, a pulley and an inclined plane:
A needle
Classify the following as a lever, a pulley and an inclined plane:
A knife
Name some simple machines.
A pair of scissors is a _____ multiplier.
