Concept explainers
The maximum speed with which a
Whether this result is independent of the mass of car.
Answer to Problem 9P
Solution:
When the car moves on a plane curve road, then static friction force providesthe necessary
Explanation of Solution
Given:
Mass of car
The radius of round turn
Co-efficient of static friction
Formula used:
Static friction force:
From Newton’s second law of motion:
Calculation:
Apply Newton’s law in the vertical direction
Centripetal acceleration towards the center of the curve
This acceleration is provided by the frictionforce
So
Yes,the result is independent of the mass of the car, its dependence upon static friction coefficient
So, maximum speed of the particle is equal to
Conclusion:
When a car moves on a level curve road, the static friction provides necessary centripetal force, which keeps the car on the circular path. Static friction has a maximum limit, so speed also has a maximum limit, and the speed should be less than equal to that value.
Chapter 5 Solutions
Physics: Principles with Applications
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