Do objects resist acceleration when falling?

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SUMMARY

The discussion centers on the concept of inertia and its relationship with gravity. Participants clarify that while an object's mass resists acceleration in all directions, including downward under gravity, this resistance does not imply a force opposing gravity. Instead, the acceleration due to gravity is constant for all masses, as demonstrated by the equivalence of gravitational and inertial mass. The key takeaway is that while inertia resists changes in motion, it does not create a force against gravitational acceleration.

PREREQUISITES
  • Understanding of Newton's Laws of Motion
  • Familiarity with gravitational force equations (e.g., F_g = GMm/r^2)
  • Basic knowledge of mass and its two types: gravitational mass and inertial mass
  • Concept of acceleration and its relation to force (a = F/m)
NEXT STEPS
  • Study Newton's Laws of Motion in detail, focusing on inertia and acceleration
  • Explore the concept of gravitational mass versus inertial mass through experiments
  • Learn about the implications of Eötvös' experiments on mass equivalence
  • Investigate the effects of gravity on objects of varying mass in free fall
USEFUL FOR

Physics students, educators, and anyone interested in understanding the fundamental principles of motion and gravity.

  • #31
inertiaforce said:
But gravity doesn't require the object to be accelerated.

The force I am talking about only occurs when a force attempts to accelerate the object.
There is no such force.

This thread has really degenerated and is closed.
 
Last edited:

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