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Grade 11Mechanics

(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

Profile image of Vaibhav shukla
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 Years ago
Dear Vaibhav
Please ask only one question in one thread
 
 
Brakes are to be applied during the driving of an automobile for constant speed. As a result of
friction between wheel and brake drum, the temperature of wheel and brake drum of an
automobile increase.
 
Regards
Arun (askIITians forum expert)