How would one label power? Is it in Newtons?

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Homework Help Overview

The discussion revolves around the concept of power in physics, specifically questioning its units and how it relates to forces acting on a car balanced on a hill. Participants explore the definitions and relationships between power, work, and force.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants question the units of power, with some suggesting it is measured in Newtons, while others clarify it is in Watts. There is also inquiry into the forces acting on a car on a hill, specifically discussing gravity and the normal force.

Discussion Status

The discussion is active, with participants providing insights into the relationship between power and its units, as well as identifying forces acting on the car. Some guidance has been offered regarding the definitions of power and its relation to work and force.

Contextual Notes

There appears to be some confusion regarding the terminology and definitions related to power and forces, as well as the specific context of a car on a hill. Participants are encouraged to clarify these concepts further.

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How would one label power? Is it in Newtons? And also, if a car is balanced on a hill, what are two of the forces that are acting upon it. I have gravity of course, but does inertia also work? Thanks in advance!
 
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scienceiscool said:
How would one label power? Is it in Newtons? And also, if a car is balanced on a hill, what are two of the forces that are acting upon it. I have gravity of course, but does inertia also work? Thanks in advance!

How do you call the force of this hill on the car?

about power: recover the units yourself knowing that power is work per unit time and work is force times distance.
 
balanced forces? j/s or Watts?
 
Last edited:
scienceiscool said:
How would one label power? Is it in Newtons?

It's in Watts.

1 Watt = 1 Joule per second = 1 Newton metre per second.

And also, if a car is balanced on a hill, what are two of the forces that are acting upon it.

There's the force of the Earth pulling down on the car (i.e. gravity, or the weight force), and the force of the ground pushing up on the car (usually called the "normal reaction force").
 

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