If there is no air resistance, after you let go ofan object the only force on it is the gravitational force. The gravitational force is proportional to the mass of the object. ... The acceleration of an object is proportional to the net force on the object and inversely proportional to t...
What does the formula F = ma represent? A. Force is equal to mass times acceleration. B. Force is equal to acceleration divided by mass. C. Force is equal to mass divided by acceleration. D. Force is E. qual to the square of acceleration times mass. 相关知识点: ...
Why is mass independent of acceleration? Why is centripetal force necessary for circular motion? A pendulum bob with a mass of 1.80 kg is displaced from its equilibrium position, A, to an unstable position, B, by means of a string which is kept horizontal. The force...
What does F represent in Newton's second law? A. Mass B. Acceleration C. Force D. Velocity 相关知识点: 试题来源: 解析 C。原因:文章中明确提到“The formula for Newton's second law is F = ma, where F represents force.”。 反馈 收藏 ...
Answer to: If a paratrooper parachutes from a helicopter, as it falls through the air, does its acceleration increase, decrease, or remain the...
In summary, we here show that sprint interval training tailored to the individual performance limits does not seem suitable to increase peak bone mass at early adulthood. Our explanation for this negative result is threefold (i) we simply did not provide sufficient high-impact or axial loading ...
Why Does Dust Float? Examples of Forces in Everyday Life and How They Affect Things Newton's 3 Laws of Motion: Force, Mass and Acceleration How to Solve Projectile Motion Problems: Applying Newton's Equations of Motion to Ballistics
To determine the influence of weight loss with or without adequate calcium intake on bone turnover and density, we examined the influence of dietary restri... SM Talbott,MM Rothkopf,SA Shapses - 《Journal of Nutrition》 被引量: 236发表: 1998年 Calcium and Dairy Acceleration of Weight and ...
How does mass and acceleration affect force? Why is centripetal force the sum of all forces? How does the force of gravity depend on the mass of two objects? Three point charges, A (+2.0 C), B (+4.0 C) and C (-6.0 C) sit consecutively in a line. If A and B are separated by...
How does changing the mass of an object affect the motion of free fall? Why doesn't a heavy object accelerate more than a light object when both are freely falling? What is the relationship between the mass and acceleration of a falling ob...