physics please answer........?

Question

Which principle does not apply when hydrogen balloon goes up in the air?

A] Archimedes Principle B] Principle of Buoyancy
C] Newton's third law D] Law of gravitation

Answer 1

C. Newton's third law of action and reaction does not apply in this case. Law of gravitation and buoyancy continue to apply and since the buoyancy is more than the weight of the balloon, it goes up.

Answer 2

Newton's third law does not apply in this case..

unless the balloon float at mid air at stationary position..

all other principle are applied..

Answer 3

A. I thought archimedes principle has smth to do with water or the principle of floatation

Answer 4

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Answer 5

C)Newtons third law

Answer 6

C: Newton's third law.

Answer 7

c - No application of action-reaction.
A- applies
B applies
D - applies as the baloon rises against gravity.

Answer 8

All do apply in this case.