What is the principle used in wheel and axle? Mention its applications.
Answer»
Screw driver Tap Screw Door knobs
Solution : To understand this imagine cutting a paper diagonally and mark the INCLINED edge with a SKETCH and roll it overa pencil. It looks like a THREADED screw. Similary ghat ROADS are made cuved along the height of the HILL. Hence ghat roads can be compared to inclined plane.