Advertisements
Advertisements
Question
State whether the following statement is True or False.
A machine performs work by itself.
Options
True
False
Advertisements
Solution
False
APPEARS IN
RELATED QUESTIONS
What is the purpose of a jack in lifting a car by it?
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
What is the efficiency of a machine?
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
What is meant by simple machines?
What is a lever?
Why is this so machines have to be maintained?
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.
