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प्रश्न
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
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उत्तर
To remove the lid of a tin, a tin opener or can opener, which is a second-order lever machine, is used.
संबंधित प्रश्न
When is work said to be done by a force?
What is an inclined plane?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
Define Simple machine
Give an example of the following use of a machine to change the point of application of the force.
Classify the following as a lever, a pulley and an inclined plane:
Scissors
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
What is a lever?
Name the levers mentioned in the following passage. Identify the fulcrum, load, and effort of each and say which type of lever it is.
Ravi and Savita sit on a seesaw in a garden. In the meantime, a gardener is trimming trees in the garden. He puts the leaves and other garbage in the wheelbarrow. Later, Ravi gets thirsty and he buys lemon sherbet. The sherbet seller cuts the lemon and squeezes it using a lemon squeezer. He puts small pieces of ice in the glass with the help of the tongs.
______ help us to make work easier.
