Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Advertisements
उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
A machine is 75% efficient’. What do you understand by this statement?
What care would you take to increase the life span of a machine which you use?
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.
What do you understand by a simple machine?
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
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.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
Simple machines makes work easier by trading ______ for force.
