Rahul and Suraj are travelling in a bus.. The bus is moving at a high speed of 60 km/hr. After
travelling some distance, the road has lot of speed breakers and the bus applied brakes and
speed changed to 20 km/hr. The driver of bus applied a sudden break and brought the bus to
rest due to very poor condition of road.
(a) Which type of force causes the bus to stop its motion and come to rest?
(b) In which direction passengers of bus will fall after application of brakes?
(c) What is inertia and how it is measured?
(d) Which law is called the law of inertia?
(e) How is force measured and what is direction of force?
Answers
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Answer:
a) the retarding force is the cause to stop the bus when break is applied.
this force is occure due to tge total loss in momentum is equal to total gain in momentum of break break system. total momentum of system remain conserved. therefore the bus stopped.
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