What is a bob? class 7 science
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Answer:A simple pendulum
Explanation:A simple pendulum consists of a small metal ball (called bob) suspended by a long thread from a rigid support, such that the bob is free to swing back and forth. ... A pendulum completes every swing (or every oscillation) in exactly the same time, provided its length is kept constant.
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It is the ball at the end of a pendulum.
- It is the considerable mass at the end of a pendulum that is most often seen in pendulum clocks, although not solely.
- The pendulum is of any unique form and clock ones are composed of standard weight or bob joined to the rod's bottom end, with the initial end linked to a pivot so it can swing gently.
- The rate is balanced in clocks by sliding it upwards or downwards on the pendulum rod.
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