A 400kg statue is connected to a craneThe tension in the cable supporting the crane is 3900NAt what rate is the statue accelerating? Is it being lifted or lowered?
Weight of the statue is 400 kg x 9.8 3920 newtons cince this is more than the tension, by 3900–3920 20 newton, then the statue is accelerating downwards, ie, being lowered F ma to get the accelerationa 20/400 0.05 m/s? (see below) NOTE, this answer will vary with the value of g, which varies over the surface of the earthat Mexico City, 9.779 m/s?, the weight is 3911, and the downwards acceleration is 0.027 m/s? at Oslo, 9.819 m/s?, the weight is 3928, and the downwards acceleration is 0.07 m/s? .