Identify and draw the forces that act on the pencil. be certain to draw each force at the correct location (the point at which the force acts on the pencil). the black dot represents the center of gravity of the pencil.

This is the answer: body 1 + engine 2

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.