Advertisements
Advertisements
प्रश्न
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.
पर्याय
True
False
Advertisements
उत्तर
False.
Work done by a machine is always less than the work done on a machine.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is True or False.
A boy does work while pushing a wall.
What is an inclined plane?
Can a machine be 100% efficient?
Define mechanical advantage (M.A.) of the machine.
A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons, whether the weight of the scale is greater than, less than or equal to the weight of mass M.
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Why is this so traveller’s bags have wheels?
Name some simple machines.
The idea of a simple machine originated with the Greek philosopher Archimedes.
