Answer:
B. The weight of a barbell acting on a weight lifter is 80N
Explanation:
The best force that represents Fg is the force of gravity acting on a body. This vertical force is attributed to the weight of a body on another.
The weight of a body is defined as the product of its mass and the force of gravity acting upon it.
So, the downward weight of the barbell is the Fg component.
The weight acts on the lifter
