SudipSamanta Asked: December 2022 a door knob is an example of a leverb wedgec inclined planed pulley
SudipSamanta Asked: December 2022 discuss about the importance of ramp in hospitals shopping complexes and other public places write only 3 points for the answer
SudipSamanta Asked: December 2022 If you let a cricket ball and a guava roll down a ramp, which one out of the two will reach