Find the apparent weight of a body of mass \(1.0 \mathrm{~kg}\) falling with an acceleration of \(10…
Find the apparent weight of a body of mass \(1.0 \mathrm{~kg}\) falling with an acceleration of \(10 \mathrm{~ms}^{-2}\). \(\left(g \approx 10 \mathrm{~ms}^{-2}\right)\)
\(1 \mathrm{~kg}-\mathrm{wt}\)
\(2 \mathrm{~kg}-\mathrm{wt}\)
0
\(0.5 \mathrm{~kg}-\mathrm{wt}\)
Solution
Mass of body, \(M=1 \mathrm{~kg}\)
Falling acceleration of body, \(a=10 \mathrm{~ms}^{-2}\)
\(g=10 \mathrm{~ms}^{-2}\) \([\because\) Here, \(a=g]\)
\(\therefore\) Apparent weight \(=m(g-a)=m \times 0=0\)
\(\therefore\) When body is falling with gravitational acceleration, then its apparent weight will be zero.