Question

To avoid the extension of the pendulam of a clock is made of​

Answer 1

Answer:

A pendulum clock

Explanation:

A pendulum clock

Answer 2

Answer:

wood.

Explanation:

An increase in temperature cause the rod to expand, making the pendulum longer, so its period increases and the clock loses time . That's why wooden pendulum used to reduce this error, as wood expands less than metals.

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