Advertisements
Advertisements
Question
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Solution
To cut vegetables, we should use a knife, which is a wedge.
RELATED QUESTIONS
State whether the following statement is True or False.
A boy does work while pushing a wall.
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
Give an example where a machine is used to obtain gain in speed.
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
Define mechanical advantage (M.A.) of the machine.
Classify the following as a lever, a pulley and an inclined plane:
A staircase
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
What is meant by simple machines?
Why is this so traveller’s bags have wheels?