Question

6. The velocity of a particle of mass 150 g changes from
8 m/s to 12 m/s in two seconds. Assuming that a
constant force acts on it, find the magnitude of the
force.​

Answer 1

GIVEN :-

u = 8m/s

v= 12m/s

t = 2sec

mass = 150g

= 150 /1000

= 0.15kg

FIND:-

force ?

ANSWER :-

a= v-u/t

= 12m/s - 8m/s / 2sec

= 4m/s /2sec

= 2m/s²

f = m×a

= 0.15kg × 2m/s²

= 0.3kg m/s²

OR

= 0.3N

THEREFORE ,

FORCE = 0.3N

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