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Could standards of mass, length, and time be based on properties of a pendulum? Explain.

Could standards of mass, length, and time be based on properties of a pendulum? Explain.

Grade:upto college level

1 Answers

Jitender Pal
askIITians Faculty 365 Points
7 years ago
A pendulum consists of heavy metallic bob, suspended from a rigid support by means of a long, weightless, flexible and in extensible string having mass (m) and time period (T). The time period (T) of a simple pendulum is defined as,
T = 2π √L/g
Here, L is the length of the pendulum and g is the acceleration due to gravity.
So the period of oscillation is independent of mass but depends on length. Thus length and time period is the fundamental property of a pendulum. Therefore, length and time be based on properties of a pendulum but the mass does not.

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