Question

A 20 kg lift is supported by a cable. What is the acceleration of the lift when the tension in the cable is 150 N?​

Answer 1

QUESTION-:

A 20 kg lift is supported by a cable. What is the acceleration of the lift when the tension in the cable is 150 N?​

EXPLANATION-:

In the case-:-

T>mg

So let's calculate the net force-:

$\leadsto \bf\; F_{(Net)}=ma\\\\\leadsto T-mg=ma\\\\\leadsto 150-20g=20a\\\\\leadsto 15-2g=2a\\\\\dashrightarrow \underline{\boxed{\tt \dag\;\; a=\frac{15-2g}{2}\;\;m/s^2}}$

Therefore the acceleration of the lift is -:

$\longrightarrow$ (15-2g)/(2) m/s²

[REFER THE ATTACHMENT FOR FBD]