Advertisements
Advertisements
प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
पर्याय
True
False
Advertisements
उत्तर
False.
There are six types of simple machines.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Why is a machine not 100% efficient?
The diagram below shows a wheel barrow. Mark position of fulcrum F and draw arrows to show the directions of load L and effort E. What class of lever is the whell barrow? Give one more example of the same class of lever.
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 Efficiency
Give an example of the following use of a machine to change the point of application of the force.
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.
______ help us to make work easier.
