Advertisements
Advertisements
Question
What is meant by simple machines?
Advertisements
Solution
Machines that have only one or two parts are called simple machines. Their structure is easy to understand and use. Examples include the nail cutter, bottle opener, and wheel used to push loads, etc.
RELATED QUESTIONS
State whether the following statement is True or False.
A boy does work while pushing a wall.
Give a reason for the following.
Machines are able to make our work convenient.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
How does a machine work?
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Which machine will you use to do the following work? Write their type.
To draw water from a well.
Why is this so traveller’s bags have wheels?
Name some simple machines.
A pair of scissors is a _____ multiplier.
