A simple pendulum consists of a small metallic ball or a piece of stone…
PYQ SSC JE (Junior Engineer) 2021
A simple pendulum consists of a small metallic ball or a piece of stone suspended from a rigid stand by a thread. The metallic ball is called the ______ of the pendulum.
- A.
hinge
- B.
bob
- C.
knob
- D.
head
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