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Which force best represents Fg?




a)A weight lifter is pushing a barbell upward with a force of 90 N.


b)The weight of a barbell acting on a weight lifter is 80 N.


c)The amount of upward force of a table on a box is 25 N.


d)A box on a rough table has difficulty sliding past 25 N of force.

Verified Answer :

taskmasters

The Fg represents gravitational
force and focuses more on the suspended body. The force that best represents Fg
is the weight of a barbell acting on a weight lifter is 80 N. the answer is
letter B.

oladayoademosu

The force which best represents Fg is option B The weight of a barbell acting on a weight lifter is 80 N.

Weight of an object

Since Fg represents the gravitational force of the earth on an object or more simply its weight, which acts downwards towards the earth.

The options

In option A, the force acting acts upwards, so it can't be Fg.

In option B, the weight of the barbell acts downwards.

In Option C, the force on the box is upwards.

In option D, the force acting is the horizotal frictional force which acts in the horizontal direction.

The only option which the force acts downwards is option B which is the weight of the barbell.

So, the force which best represents Fg is option B The weight of a barbell acting on a weight lifter is 80 N.

Learn more about weight of an object here:

https://brainly.com/question/7195686

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