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प्रश्न
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
उत्तर
To hold a papad for roasting it, we should use a tong, which is a third-order lever.
संबंधित प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
Answer the following.
What is a machine?
Write the relation between mechanical advantage, velocity ratio and efficiency.
What is the efficiency of an ideal machine?
Write an expression for the mechanical advantage of an inclined plane.
Establish a relationship between efficiency, M.A., and V.R.
Classify the following as a lever, a pulley and an inclined plane:
An axe
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.
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
Simple machines makes work easier by trading ______ for force.
