By using wheels and rollers, we can easily pull a heavy suitcase.
Hence, the given statement is true.
Name the device which is attached to heavy luggage (such as a heavy suitcase) to move it easily by pulling.
Name one example from everyday life where wheels (or rollers) are used to reduce friction.
Give reasons why :
(a) Travelling bags have wheels.
(b) Iron pipes are fitted on an inclined plane for pushing up heavy loads.
(c) We should take care of machines.
(d) We should use a pulley to draw water from a well.