1.What is the mechanical advantage of a screwdriver used as a wheel and axle if its blade is 0.1 in. wide and the diameter of its handle is 0.3 in.?
2.A 15 kg crate is moved from the ground to a loading platform by means of a ramp 6 m long and 3 m high. Assume that µk = 0.14. What are the ideal and actual mechanical advantages of the ramp?
Solution of question... View the full answer