Question

A man of weight 75 kg is standing in an elevator which is moving with an acceleration of $5 m / s ^ { 2 }$ in upward direction the apparent weight of the man will be $\left( g = 10 m / s ^ { 2 } \right)$

• A. 1425 N
• B. 1375 N
• C. 1250 N
• D. 1125 N

Answer 1

Answer: (D)

1125 N

Answer 2

The apparent weight,

$R = m ( g + a ) = 75 ( 10 + 5 ) = 1125 N$