How Much Force to Overcome a Step with a Wheel?

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SUMMARY

The discussion focuses on calculating the maximum horizontal force (F) required to drag a wheel of radius R and mass M over a step of height h. The key insight is that the wheel's climb is equivalent to a rotational motion around the point of contact with the step. Participants emphasize the importance of analyzing the sum of torques (Σ Torques > 0) to determine the necessary force for the wheel to successfully pivot over the edge of the step.

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  • Knowledge of basic mechanics involving wheels and pivots
  • Ability to apply Newton's laws in rotational motion scenarios
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Homework Statement



A wheel of radius R and mass M is dragged over a step of height h by force F applied horizontally at its center. What is the maximum value of F required so that the wheel climbs over the step? (Hint: wheel climb is equivalent to a rotation around the point of contact with the step.)

Homework Equations



Not available.

The Attempt at a Solution



I have no idea how to start this. But i would use potential energy perhaps?
 
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Eagle Eyes said:

Homework Statement



A wheel of radius R and mass M is dragged over a step of height h by force F applied horizontally at its center. What is the maximum value of F required so that the wheel climbs over the step? (Hint: wheel climb is equivalent to a rotation around the point of contact with the step.)

Homework Equations



Not available.

The Attempt at a Solution



I have no idea how to start this. But i would use potential energy perhaps?

You're going to want to consider the Σ Torques > 0 needed to pivot over the edge of the step as the hint suggests.
 

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