- #31
pmd28
- 64
- 0
No, Oh is it f=Fw+mgSin(theta)
Car going up a hill. Find the Angle of the hill.
Click For Summary
Homework Help Overview
The problem involves a 1550-kg car navigating a hill, requiring the determination of the hill's angle based on the forces acting on the car, including air resistance and friction. The car's engine produces additional power when ascending compared to descending the hill, and the task is to find the angle of inclination above the horizontal.
Discussion Character
- Exploratory, Conceptual clarification, Mathematical reasoning, Problem interpretation
Approaches and Questions Raised
- Participants discuss the forces acting on the car, including the normal force, friction, and components of weight. There is an exploration of how to relate power, force, and angle, with some participants questioning the definitions and roles of various forces involved.
Discussion Status
The discussion is active, with participants exploring different interpretations of the forces at play and how they relate to the power produced by the engine. There is a focus on establishing expressions for the forces involved and how they change when the car is going up versus down the hill.
Contextual Notes
Participants note the importance of constant velocity in applying Newton's laws, and there is an ongoing examination of the definitions of forces and their components in relation to the problem's setup.