Find the appared weight of a man weighing 49 kg on earth, when he is standing in a lift which is (i) rising with an acceleration of `1.2 m//s^(2)` (ii) going down with same acceleration (iii) falling freely under gravity (iv) going up or down with unifrom velocity . Take `g= 9.8 m//s^(2) `. \

Answer

(i) 55 kg f(ii) 43kg f(iii) 0(iv) 49kg f