Answer = A
Without reproduction humans would basically become extinct
In science and engineering, the weight<span> of an object is usually taken to be the force on the object due to gravity. It is calculated by multiplying the mass with the gravitational acceleration.
W = mg = 1700 (9.81) = 16677 N
Hope this answers the question. Have a nice day.</span>
This should help look at the pictures?
Answer:
Yes such a frame exists: a free-fall (free-float frame) frame. This frame of reference is subject only to gravity and no forces such as electromagnetic forces or nuclear forces.