Question

A passenger of mass30 kg is standing in a lift which is moving vertically downward with an acceleration is 1.8 m/s square (i) What will be the apartment weight of passenger ( ii) what will be the effect if cut and lift fall freely

Answer 1

Answer:

i) 240 N

ii) 294 N

Explanation:

mass(m) = 30kg

downward acceleration(a)= 1.8m/s

net acceleration when loft goes down= g-a

= 9.8 - 1.8

=8 m/s²

i) apparent weight= m(g-a)

= 30 x 8

= 240 N

ii) during free fall

weight= mg

30 x 9.8

=294 N