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प्रश्न
Name six simple machines. Give an example of each machine.
उत्तर
Simple Machines and their examples are as follows:
- The lever: Examples are a crowbar, claw hammer, a pair of pliers, etc.
- The Inclined plane: Examples are ramp, staircase, hilly roads, etc.
- The wedge: Examples are knife, axe, plough, nail, etc.
- Screw: Examples are A screw.
- The wheel and axle: Examples are steering wheel of a car, bicycle pedal, etc.
- The pulley: Examples are a pulley used in raising a load.
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संबंधित प्रश्न
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
Write the relation between mechanical advantage, velocity ratio and efficiency.
Define Simple machine
Give an example where a machine is used to obtain gain in speed.
Give an example of the following use of a machine to change the direction of force.
Classify the following as a lever, a pulley and an inclined plane:
An axe
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
______ help us to make work easier.
