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IceJOKER [234]
3 years ago
7

Lucia raced her car on a raceway

Physics
2 answers:
denpristay [2]3 years ago
8 0

Answer:

Good question to ask in physics, sir maam

melisa1 [442]3 years ago
4 0

Answer:

That's good

Explanation:

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You can keep a 1kg apple from falling to the ground by placing it on a table. What reaction force is resisting the force of the
Gnom [1K]

The equilibrium condition allows finding the correct answer for the force that is resisting the weight of the apple is:

        3. Normal force

Newton's second law gives the relationship between <em>force, mass</em> and acceleration of bodies, in the special case that the acceleration is is called the equilibrium condition.

            ∑ F = 0

Where F is the external force.

The free body diagram is a diagram of the forces on bodies without the details of the shape of the body, in the attached we can see a scheme of the forces.

Let's write the equilibrium condition for the apple

          N - W = 0

          N = W

.

We can see that the only forces acting on the apple are its weights and reaction from the table called Normal.

Let's analyze the different answers:

1. False. The apple is not moving therefore the resistance is zero

2. False. The apple is not moving  so friction it with the table is  

3. True. The free-body diagram shows that the normal and the weight are equal

4. False. There is nothing to pull the apple so there is no tension

5. False. Gravity is the weight of the apple that is applied to the table, not from the table to the apple.

In conclusion using the equilibrium condition we can find the correct result for the force that is resisting the weight of the apple is:

        3. Normal force

Learn more here: brainly.com/question/2872207

8 0
3 years ago
A wave that can travel through empty space?
timurjin [86]

Answer: B. Mechanical Waves

Explanation:

5 0
3 years ago
Read 2 more answers
What is the definition of a neutron?
Fudgin [204]

Answer:

neutron is a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

3 0
4 years ago
Read 2 more answers
Johnathan wants to lift a 200N box onto a 5m ledge. How much work is done?
Y_Kistochka [10]

Answer:

1000 J which agrees with answer a in your list of options

Explanation:

Recall the formula for work (W) as the force (F) applied times the distance (d) covered in the same direction of the force:

W = F * d

W = 200 N * 5 m = 1000 J

8 0
3 years ago
Read 2 more answers
What is the weight of a 300kg human on earth
Alborosie

2940‬N

Explanation:

Given parameter:

Mass of the human = 300kg

Unknown:

Weight of human on earth.

Solution:

Mass is a fundamental quantity that measures the amount of matter contained in a substance.

Weight of a body is the force that is acting on it due to the gravitational pull

        Weight =  mass x acceleration due to gravity

 

acceleration due to gravity = 9.8m/s²

         Inputting the parameters:

       Weight = 300 x 9.8 = 2940‬N

Learn more:

Weight and mass brainly.com/question/5956881

#learnwithBrainly

5 0
3 years ago
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