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Grade: 11
        (a) Why pendulum clocks generally go faster in winter and slow insummer.(b) Why the brake drums of a car are heated when it moves down ahill at constant speed.
10 months ago

Answers : (1)

Arun
14827 Points
							
Dear Vaibhav
Please ask one question in one thread.
 
  1. T = 2πROOT L BY G      OR T INVERSLY PROPORSIONA TO L
Time period of a pendulum clock is directly proportional to square root of the length of the
Pendulum.
i) In winter the length of the pendulum decreases and its time period decreases. So clock goes
fast.
ii) In summer the length of the Pendulum increases and its time period increases. So the clock
goes slow.
 
Regards
Arun (askIITian forum expert)
10 months ago
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