Finding Resultant Force Using Cosine and Sine Law - Physics Forums
2017年5月7日 · Cosine Force Law Resultant Resultant force Sine In summary, the student attempted to solve the problem using the cosine and sine laws, but ended up with an incorrect …
Problem in central force motion - Physics Forums
2017年10月12日 · This is due to the effective potential, which combines the effects of the inverse cube law force and the angular momentum barrier. By rewriting the problem in one dimension, …
Newton's third law and surface area of paddles - Physics Forums
2012年4月1日 · A very small part of the force acts on the air molecules, the rest goes to accelerate the paddle. The water will apply a force on the paddle equal to the water pressure …
Proof of F=ma from second law of Newton - Physics Forums
2010年2月16日 · In summary, the conversation discusses the second law of Newton, which states that force is proportional to the change in momentum. This can be expressed as F = k(mv - …
An Example of An Accurate Hooke’s Law Laboratory - Physics …
2019年1月11日 · The slope of the line from plotting Force (in N) vs. position (in m) is a characteristic of the spring known as the spring constant (in units of N/m). Note, that Hooke’s …
Hooke's Law, Force Constant Question - Physics Forums
2007年3月7日 · The formula for Hooke's Law is F = -kx, where F is the force applied, k is the force constant, and x is the displacement. What is the force constant in Hooke's Law? The force …
Derivation of Faraday's Law from the Lorentz Force Law - Physics …
2012年8月25日 · In summary, Faraday's Law of Induction and Ampere's Force Law are closely related as the Lorentz Force Law, which is derived from the Ampere's Force Law, is …
Newton’s second law says F->net=ma-> So is ma-> force?
2015年9月23日 · F->net=ma-> is the mathematical representation of Newton's second law, where F->net represents the net force acting on an object, m represents its mass, and a represents …
Why is there a negative in Hooke's Law (F = -kx) - Physics Forums
2016年4月2日 · In summary, the negative in F = -k*x in Hooke's Law represents the reaction force against the force applied on the spring, which is always directed opposite to the displacement. …
Virial theorem for an inverse-square law force - Physics Forums
2011年3月4日 · In summary, to calculate the time-average of potential and kinetic energy for a particle orbiting on an ellipse in an inverse-square-law force field, we use the equations \langle …