Action-reaction pairs.
This is in reference to Newton’s second law of motion.
A. 320 g
B. 160 g
C. 80 g
D. 40 g
<span>A bike is compound machine.This means that it is made up of a bunch of different simple machines. Screws are used to hold the pieces together. The wheel of a bicycle is a wheel and axle. The pedals are also examples of this simple machine. The pedals are attached to a lever that turns a pulley.</span>
