JEE Main & Advanced
Physics
NLM, Friction, Circular Motion
Question Bank
Second Law of Motion
question_answer
A man of weight 80 kg is standing in an elevator which is moving with an acceleration of \[6\,\,m/{{s}^{2}}\] in upward direction. The apparent weight of the man will be \[(g=10\,m/{{s}^{2}})\] [DPMT 2003]
A) 1480 N
B) 1280 N
C) 1380 N
D) None of these
Correct Answer:
B
Solution :
The apparent weight of man, \[R=m(g+a)=80(10+6)=1280\,N\]