Show that the apparent weight of a body of mass in a lift accelerating downward with…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

Show that the apparent weight

R

of a body of mass

m

in a lift accelerating downward with uniform acceleration

a

R = m(g - a)

, and hence state the value of

R

when the lift is in free fall.