Advertisements
Advertisements
Question
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Advertisements
Solution
To cut vegetables, we should use a knife.
Type: Wedge (simple machine)
RELATED QUESTIONS
State whether the following statement is True or False.
A machine performs work by itself.
What is the principle on which a machine works?
Can a machine have an efficiency of 100%? Give a reason to support your answer.
State if the following statement is true or false. Correct the statement if it is false.
Work done by a machine is always more than the work done on a machine.
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.
Define mechanical advantage (M.A.) of the machine.
What is the efficiency of a machine?
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
Classify the following as a lever, a pulley and an inclined plane:
An opener
Classify the following as a lever, a pulley and an inclined plane:
An axe
