Q1) Why do vehicles slow down when brakes are applied ?
Q2) What are the two factors on which friction depend?
Q3) Name the device used for measuring force acting on an
object .
Q4) Which type of friction occurs when a solid substance slides
over another ?
Q5) What is the cause of friction ?
Q6) Why is it convenient to pull luggage fitted with rollers?
Q7) Why does the jar of a mixer become hot when it is run for a
few minutes ?
Pls answer these questions
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