Question

3.
What is common to the following?
Motion of the propeller of a flying
helicopter, the minute hand of a watch,
the tape of a cassette recorder.
a) All
examples of
translatory motion
b) All are examples of oscillatory
motion
are
c) All are examples of rotatory
motion
d) All are examples of periodic
motion
​

Answer 1

Explanation:

All are the example of periodic and rotatory motion

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