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प्रश्न
______ help us to make work easier.
पर्याय
Ramp
Simple machines
Work
Energy
Pulley
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उत्तर
Simple machines help us to make work easier.
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संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
A machine is 75% efficient’. What do you understand by this statement?
State if the following statement is true or false. Correct the statement if it is false.
Work done by a machine is always more than the work done on a machine.
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 whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
What is an ideal machine?
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
Classify the following as a lever, a pulley and an inclined plane:
A crane
Classify the following as a lever, a pulley and an inclined plane:
A knife
Why is this so machines have to be maintained?
