CBSE Class 8 Answered
Give one example from everyday life where wheels (or rollers) are used to reduce friction.
Asked by Topperlearning User | 30 Jan, 2014, 09:57: AM
Expert Answer
Heavy machines can be easily moved from one place to another by placing round logs of wood under them and then pushing with the force of hands. The round logs of wood act as rollers and make it easier to move the heavy machine kept on them.
Answered by | 30 Jan, 2014, 11:57: AM
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