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Physics CBSE Live product
Class 7 (2026-27)
Measurement of time and motion
A Simple Pendulum and SI Unit of time
1.
Simple pendulum basics
Question:
2
m.
Choose the correct answer:
1.
In a simple pendulum, what is the small metallic ball attached to the end of the thread called?
Rigid support
Bob
Time period
Mean position
2.
Which statement correctly represents the relationship between the following units of time?
\(60\ hours\ =\ 1\ minute\)
\(60\ minutes\ =\ 1\ second\)
\(60\ seconds\ =\ 1\ hour\)
\(60\ seconds\ =\ 1\ minute\) and \(60\ minutes\ =\ 1\ hour\)
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