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1 month ago

Which statements correctly describe forces? Check all that apply.

Physics

2 answers:

Yuliya22 [3.3K]1 month ago

8 0

1. Forces can change the motion of an object.

TRUE

According to Newton’s first law, when an unbalanced force acts on an object, it will change the object's motion.

2. Forces are vectors.

TRUE

As forces require both a direction and a magnitude, they are classified as vector quantities.

3. Forces are measured in joules.

FALSE

Forces are quantified in Newtons in the SI system, whereas Joules measure energy.

4. Forces are quantified in newtons.

TRUE

Forces are expressed in Newtons, honoring Sir Isaac Newton.

5. Forces can take on positive or negative values to show direction.

TRUE

As a vector quantity, forces can represent positive or negative to indicate direction.

Sav [3.1K]1 month ago

4 0

Forces can alter an object's motion

Indeed, this is unquestionably TRUE. At this moment, I am applying force to my keyboard, affecting the state of motion of the keys. Therefore, it is factual that forces can change an object's state of motion.

2. Forces are vectors

Yes, this statement is TRUE. Forces are considered vector quantities as they possess both magnitude and direction. Describing a force requires knowing its size and direction.

3. Forces are quantified in Joules

It depends, are we discussing physical force or electrical force? In this context, we are focusing on physical forces, given that the query does not mention electrical ones. Forces are typically measured in Newtons (N) (kg*m/s^2). Hence, this assertion is FALSE.

4. Forces are quantified in Newtons

This concept has appeared before! This assertion is TRUE. (assuming the question is not regarding electrical forces).

5. Forces can have positive or negative values to denote direction

This is TRUE, and I have failed numerous tests because of this. Keep in mind, the negative sign indicates direction rather than a negative quantity! Be sure to read test instructions to see if direction needs to be included.

Physics is enjoyable!

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Explanation:

We know from the problem that

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