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The force exerted by the floor of an elevator on the foot of a person standing there, is more than his weight, if the elevator is _____.

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Important Questions on Mechanics

EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 22
Consider an elevator moving downwards with an acceleration 'a', the force exerted by a passenger of mass 'm' on the floor of the elevator is _____.
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 23
A large truck and a car, both moving with a velocity of the same magnitude have a head-on-collision. Car suffers more damage than the truck. This is because of _____.
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 24
Frictional force _____.
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SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 25
A coin is placed on a rotating disc and is stationary w.r.t. the disc, then the direction of friction is _____.
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 26
A monkey is climbing up a rope, then the tension in the rope _____.
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 27
Which of the following is NOT an illustration of Newton's third law?
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 28
Swimming is possible on account of _____.
EASY
SBI CBO
IMPORTANT
General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 29
1 kilowatt hour is equal to _____.