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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
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उत्तर
The effort in the centre, the load on one side and the fulcrum on the other side make a lever of the third order.
संबंधित प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
What is an ideal machine?
Answer the following.
What is a machine?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
Give an example of the following uses of a machine:
to obtain gain in speed
Give an example of the following use of a machine to change the point of application of the 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’.
The idea of a simple machine originated with the Greek philosopher Archimedes.
Simple machines makes work easier by trading ______ for force.
A pair of scissors is a _____ multiplier.
