MCQ
A body of mass $2\ Kg$ moving $($initially$)$ with $10\ m/ s$ is acting upon by a resultant constar which is opposite to its initial velocity. Its speed decreases to $4\ m/ s$ in $1s.$ Then the force:
- ✓$12N$
- B$28N$
- C$8N$
- DNone
✓
Answer
Correct option: A.
$12N$
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