This topic contains a solution. Click here to go to the answer

Author Question: When you sit in a chair there is necessarily a reaction force to the gravitational force acting on ... (Read 110 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
When you sit in a chair there is necessarily a reaction force to the gravitational force acting on your body. Which of the following best describes this reaction force?
  1.the force of gravity you exert on the Earth
  2.the force you exert downward on the seat of the chair
  3.the normal force exerted by the chair onto you
  4.none of these forces

Question 2

A race car moving quickly around a track collides with a mosquito, which splatters on the car's windshield. Which object experiences a greater magnitude acceleration?
  1.Both experience the same acceleration.
  2.the race car
  3.the mosquito
  4.One cannot tell, you need to know the speeds of the mosquito and the race car.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

1

Answer to Question 2

3




gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

For a complete list of videos, visit our video library