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A particle of mass 100 g is thrown vertically upwards with a speed of  .The work done by the force of gravity during the time, the particle goes up is

a)

b)

c)

d)

    0.5 J


Question ID - 52027 :-

A particle of mass 100 g is thrown vertically upwards with a speed of  .The work done by the force of gravity during the time, the particle goes up is

a)

b)

c)

d)

    0.5 J

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

The height  traversed by particle while going up is

work done by gravity force=

[angle between force and displacement is ]



Next Question :

A father is 30 times older than his son.  18 years, later, he will be only thrice as old as his on.  Father’s present age in years is

a)

25

b)

30

c)

40

d)

45


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