ICSE Class 7 Answered
what is a simple pendulum, and how does it move
Asked by chebolu.sailaja | 15 Jun, 2017, 08:34: PM
Expert Answer
A simple pendulum consists of a heavy point mass called the bob, attached to an inextensible string which is fixed to a rigid support.
NOTE: This is only an ideal case as a point mass which is heavy and a massless string are practically impossible to produce.
The movement of a simple pendulum is one of the most well-known periodic motions.
The pendulum is used to measure time.
The length of the pendulum is the distance from the point of suspension to the centre of gravity.
When the bob at the rest position is moved to one side and released, the pendulum is set in motion.
NOTE: This is only an ideal case as a point mass which is heavy and a massless string are practically impossible to produce.
The movement of a simple pendulum is one of the most well-known periodic motions.
The pendulum is used to measure time.
The length of the pendulum is the distance from the point of suspension to the centre of gravity.
When the bob at the rest position is moved to one side and released, the pendulum is set in motion.
A and C are known as extreme positions, and B is known as its rest or mean position.
If the bob is moved from the rest position and released to the other side, then it begins to move to and fro about its mean position B and thus oscillates.
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