DIfference between a rolling and a spinning wheel

Click For Summary
SUMMARY

The discussion clarifies the fundamental differences between a spinning wheel and a rolling wheel in the context of physics. A spinning wheel has a contact point that moves leftward relative to the ground, resulting in a frictional force acting opposite to this motion. In contrast, a rolling wheel maintains a stationary contact point with the ground, where static friction acts to propel the wheel forward, enabling acceleration without sliding. This distinction is crucial for understanding the dynamics of motion in vehicles.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Familiarity with the concepts of friction and static vs. kinetic friction
  • Basic knowledge of rotational motion
  • Experience with experimental physics methods
NEXT STEPS
  • Explore the principles of static friction and its role in rolling motion
  • Investigate the effects of different surfaces on wheel performance
  • Learn about the physics of rotational dynamics and torque
  • Conduct experiments with various wheel designs to observe differences in motion
USEFUL FOR

This discussion is beneficial for physics students, educators, and automotive engineers interested in the mechanics of motion and the practical applications of wheel dynamics.

eterna
Messages
19
Reaction score
0

Homework Statement



"Assume you want the car to accelerate towards the right. When a wheel is spinning, the contact point with the ground is moving towards the left. The direction of the frictional force on the portion of the wheel contacting the ground is opposite to the direction of the velocity of this portion of the wheel with respect to the ground. When a wheel is rolling the contact point is not sliding at all. When a rolling wheel is accelerating, internal forces try to accelerate the contact point backward. The force of static friction now is directed towards the right and it cancels those forces. Neglecting drag, the force of static friction is the only external force acting on the car in the horizontal direction, and without it there would be no net force to accelerate the car."

can someone explain the difference between a spinning and a rolling wheel in this case

Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
Take a toy wheel or something else wheel-shaped and experiment on a smooth surface. Repeat with a sheet of paper between the wheel and the surface.
 

Similar threads

Friction on a spinning wheel when it is dropped onto the ground
  • · Replies 30 ·
2
Replies
30
Views
2K
Why is the direction of kinetic/static friction up a ramp?
  • · Replies 7 ·
Replies
7
Views
2K
Question regarding Rolling with and without Slipping and Sliding
  • · Replies 4 ·
Replies
4
Views
3K
How can we model a rolling truck on an incline using rotational motion analysis?
  • · Replies 24 ·
Replies
24
Views
3K
Forces when car wheels "lay rubber"
  • · Replies 5 ·
Replies
5
Views
2K
Direction of friction on rolling object
  • · Replies 30 ·
2
Replies
30
Views
4K
Problem on induced electric field, electrodynamics
  • · Replies 5 ·
Replies
5
Views
1K
Why does the spinning of wheels move a car?
  • · Replies 1 ·
Replies
1
Views
2K
What is the direction of rolling friction?
  • · Replies 2 ·
Replies
2
Views
3K
A wheel rolling on a horizontal flat or inclined surface
  • · Replies 13 ·
Replies
13
Views
3K