A. Unbalanced forces cause movement. B. Balanced forces keep an object still. C. Balanced forces can make an object move. D. Forces can be balanced or unbalanced. 相关知识点: 试题来源: 解析 C。解析:力学实验表明平衡力不会导致物体运动。A 选项不平衡力会导致运动正确。B 选项平衡力使物体保持...
An object at rest or moving at constant velocity is acted upon by balanced forces, making their acceleration zero.What is a Balanced Force? A force is a push or pull exerted on an object as a result of its interaction with other objects. It is an external agent that may change an ...
Forces, the push-pull interaction of objects, are often balanced in their size and opposed in direction--but not always! Learn examples of both...
Similarly, when we hold a football on our hand, two forces are acting simultaneously on the football. One force applied by the person’s hand that works vertically upwards and the other is gravity that acts vertically downwards and balances each other. As a result, the effect of one force ...
US3927759 * Jul 15, 1974 Dec 23, 1975 Westinghouse Air Brake Co Flight assembly for achieving balanced reaction forces in elevating-type scraperUS3927759 * 1974年7月15日 1975年12月23日 Westinghouse Air Brake Company Flight assembly for achieving balanced reaction forces in elevating-type scraper...
aIf the forces acting on a particle are not balanced, the particle will experience an acceleration proportional to the resultant force and in the direction of the resultant force. 如果行动在微粒的力量不是平衡的,微粒将体验加速度比例与合力和朝合力的方向。 [translate] ...
Can an object be in mechanical equilibrium when only a single force acts on it? explain? If forces acting on an object are unbalanced, which factors may result from an unbalanced force? Select three options. a) The net force is negative. b) The net force is...
(uncountable) The overall result of conflicting forces, opinions etc.; the influence which ultimately "weighs" more than others. The balance of power finally lay with the Royalist forces. I think the balance of opinion is that we should get out while we're ahead. Balance (uncountable) Appare...
Free-body diagrams are illustrations designed to help researchers visualize all of the forces acting on a body at a given point in time. Look at how free-body diagrams are used, calculate balanced forces, and even look at Newton's first law. ...
1. However, if the borehole pressure is too high, it can cross the fracture initiation pressure, resulting in rock breakdown and loss of drilling fluid to the formation (Aarsnes 2016). This can result in an expensive drilling operation due to formation damage and loss of costly drilling ...