| Two forces \[{{\operatorname{F}}_{1}}\] and \[{{\operatorname{F}}_{2}}\] are acting on a body as shown in the figure, then acceleration in the body is |
 |
A) \[23m/{{s}^{2}}\]
B) \[3m/{{s}^{2}}\]
C) \[2m/{{s}^{2}}\]
D) \[22m/{{s}^{2}}\]
Correct Answer: B
Solution :
| [b] Resultant force on a body, |
| \[F={{F}_{2}}-{{F}_{1}}\] |
| = 65 - 50 = 15 N |
| By Newton's second law of motion, |
| F = ma |
| \[\Rightarrow \,\,\,\,15=5a\Rightarrow a=3m/{{s}^{2}}\] |
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