SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Statement 1:

Power of machine gun is determined by both, the number of bullet fired per second and kinetic energy of bullets

Statement 2:

Power of any machine is defined as work done (by it) per unit time

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


Question ID - 52133 :-

Statement 1:

Power of machine gun is determined by both, the number of bullet fired per second and kinetic energy of bullets

Statement 2:

Power of any machine is defined as work done (by it) per unit time

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

K.E. of one bullet  K.E. of  bullet

According to law of conservation of energy, the kinetic energy of bullets be equal to the work done by machine gun per sec



Next Question :

Statement 1:

A weight lifter does not work in holding the weight up

Statement 2:

Work done is zero because distance moved is zero

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


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