Laws Of Motion Question 192

Question: At a place where the acceleration due to gravity is 10msec2 a force of 5 kg-wt acts on a body of mass 10 kg initially at rest. The velocity of the body after 4 second is [EAMCET 1981]

Options:

A)5msec1

B) 10msec1

C) 20msec1

D) 50msec1

Show Answer

Answer:

Correct Answer: C

Solution:

Acceleration =ForceMass=50 N10 kg=5 m/s2 From v=u+at=0+5×4=20 m/s



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