Question

A force of 12 N gives an acceleration of 4 m/s2
to an object. The force required to give it an
acceleration of 10 m/s2 is :
A. 15 N
B. 20N
C. 25N
D. 30N

Answer 1

Answer:

30N

Explanation:

F=ma

12=mx4

12/4=m

3=m

if a =10m/s²

and m=3kg

F=ma

F=3x10

F=30N

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Answer 2

Answer: 30 N

Explanation: 12 N = m*4m/s2

So, m=3kg

Force required = 3kg*10m/s2 = 30 N