1.

Select the incorrect statement : (a) A machine always has the efficiency less than 100%. (b) The mechanical advantage of a machine can be less than 1. (c) A machine can be used as a speed multiplier. (d) A machine can have the mechanical advantage greater than the velocity ratio.

Answer»

Select the incorrect statement :

(a) A machine always has the efficiency less than 100%.

(b) The mechanical advantage of a machine can be less than 1.

(c) A machine can be used as a speed multiplier.

(d) A machine can have the mechanical advantage greater than the velocity ratio.



Discussion

No Comment Found