Question

Jerome places a bag of flour on a scale. The scale shows that the bag has a weight of 17 N. Which is the reaction force of the bag sitting on the scale?

The scale exerts a 17 N force up on the bag.
The scale exerts a 17 N force down on the counter.
Earth exerts a 17 N force down on the bag.
The bag exerts a 17 N force down on the scale.

Answer 1

Answer:

A. The scale exerts a 17 N force up on the bag.

Explanation:

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Answer 2

Reaction force of the bag sitting on the scale a)The scale exerts a 17 N force up on the bag.

What is newton's third law of motion ?

According to newton's third law of motion , every action have a equal and opposite reaction

When bag is being put on the scale to measure its weight , then bag must have exerted a force on the scale , in result of which an equal and opposite force must be exerted by the scale on the bag (according to newton's third law of motion) in order to keep an equilibrium state where both the forces are equal but opposite to each other .

correct option is a)The scale exerts a 17 N force up on the bag.

Learn more about newton's third law of motion :

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