Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Advertisements
उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
What do you understand by a machine?
Answer the following.
What is a machine?
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
Can a machine be 100% efficient?
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
Write an expression for the mechanical advantage of an inclined plane.
What is the efficiency of a machine?
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
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.
