a) how pressure related with thrust and surface area? b)how liquid rises into the straw? c)on which law hydrolic disc brakes is based? explain. d)describe the factor on which force of friction depends? e)a ball is rolled on a friction less surface and no other force act on it will it's speed decrease, increase or remain unchanged. f)why do meteor's burn out when they enter into the earth's atmosphere? g) is friction due to fluid greater than friction due to solid? explain. h)why are space ship provided with heat shield? I) how does the streamline body of fish help in swimming? please give me this answers it is very arjent.
shiwangi5:
please give me this answers it a very very arjent
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a)pressure will more where area is less and vice versa means p is directly proportional to A.
e) it will remain unchanged
d)force of friction depends on whether the area is smooth or rough greater friction will act on rough surface and vice versa
e) it will remain unchanged
d)force of friction depends on whether the area is smooth or rough greater friction will act on rough surface and vice versa
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