gravitational force that acts on the space probe when it is:a 3400 km above the surface of Marsb 6800 km above the surface of Mars. 相关知识点: 试题来源: 解析 题目大意是:质量1200kg的空间探测器在火星表面引力是G0=4.43×10³N,问你在距火星表面3400km和6800km处的引力是多少?(火星半径...
题目【题目】A block of mass 2 kg rests on a rough horizontal plane. A force P acts on the block at an angleof 45° to the horizontal The equilibrium i limiting, with u = 0.3.Find the magnitude of Pif:P acts in a downward direction 相关知识点: ...
结果1 题目 6 A resultant force of 5 N acts on a body for a time of 4.0 s.Which graph could show the variation with time t of the momentum p of the body? C20D中价15C10B5A0-01.02.0 3.04.0t/s 相关知识点: 试题来源: 解析 C6Ans: C 反馈 收藏 ...
本句是主谓结构，act是不及物动词。可以分析为：At such times,是状语 justice是主语 acts 是谓语like a living force可以看作是介词短语作方式状语。
A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. Suppose that the block now moves across the surface with const...
In the experiment with a book on a table, what acts as an unbalanced force to slow down the book? A. Air resistance B. Gravity C. Friction D. Magnetic force 相关知识点: 试题来源: 解析 C。中文解析:在书在桌子上的实验中,书在被推动后会因为摩擦力而减速。A 选项空气阻力在这个实验中影响...
3.Determine whether the inertia of an object changes as the object's velocity changes.4.Explain why an object with a smaller mass has a larger acceleration than an object with a larger mass if the same force acts on each.5.You push a book across a table.The book moves at a constant ...
𝐹𝑥Fx, 𝐹𝑦Fy, 𝐹𝑡Ft, and 𝐹𝑐Fc are x and y components of the forces, by which the suspension acts on the impact body; the tangential component of the contact force (friction force), and the normal component of the contact force acting on the impact body, respectively....
(2) the impact of the disability on an array of variables, spanning from physical fitness to well-being, quality of life, sleep, and nutritional aspects, among others, which are known to mediate/modulate the effects of exercise on human health; (3) the variability of the parameters related...
A net forceacts on object A, and a net forceacts on object B. The mass of object B is twice the mass of object A, and the acceleration of object B is twice that of object A. Is it true thatis four times of?暂无答案更多“A net force [图] acts on object A, and a net force...