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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A staircase
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उत्तर
A staircase – An inclined plane
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
When is work said to be done by a force?
What do you understand by a machine?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
What do you understand by a simple machine?
Define Velocity Ratio
Define mechanical advantage (M.A.) of the machine.
Establish a relationship between efficiency, M.A., and V.R.
Simple machines makes work easier by trading ______ for force.
