A) 30N
B) 20N
C) 15N
D) 10N
Correct Answer: A
Solution :
A constant force acts on body for 4 s \[\therefore \] Acceleration \[=\frac{-2-10}{4}\] \[=-3\,m/{{s}^{2}}\] Since, force \[=m\times a\] \[=10\times 3\] = 30 NYou need to login to perform this action.
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