Subject :IGK Class : Class 5
A simple machine is a basic mechanical device for applying force. Fill in the blank about the screw, which is a simple machine. The screw is a(n) _________ wrapped around a central cylinder.
ALever
BInclined plane
CWedge
DWheel and axle
b , is the correct answer
Ans 1:
Class : Class 6
Can an expert give answer. Please?