根据“A force is a push or pull in a specific direction.”、“Gravity is a force that pulls objects together. ”和“Friction (摩擦力) pulls against the sled opposite of gravity. ”可知,本文提到了拉力、推力、重力和摩擦力共4种类型的作用力。故选D。 (3)题详解: 推理判断题。根据“Balanced...
待解决 悬赏分:1 - 离问题结束还有 A force can be a push or a pull问题补充:匿名 2013-05-23 12:21:38 的力可以是推或拉 匿名 2013-05-23 12:23:18 一支部队可以推送或拉出 匿名 2013-05-23 12:24:58 力量可以是推挤或拉扯 匿名 2013-05-23 12:26:38 一种力量可以推动或拉动 ...
当当上海外文书店旗舰店在线销售正版《按需印刷A Push or A Pull - The Definition of Force - Physics Book Grade 5 | Children's Physics》。最新《按需印刷A Push or A Pull - The Definition of Force - Physics Book Grade 5 | Children's Physics》简介、书评、试读、
百度试题 结果1 题目()2. A. pull B. push 相关知识点: 试题来源: 解析 2.B 反馈 收藏
The term “force”, ___ used in mechanics (力学), refers to what is known in everyday language as a push or a pull. A. as B. once C. which D. that 试题答案 在线课程 答案:A 解析: as在这里相当于when。 练习册系列答案 单元自测...
一、 选词填空。 A. heavy E. pull B. push C. force D. light1.A makes something move.2.A is
(重力) will pull the sled downward. Gravity is a force that pulls objects together. It keeps everything pulled down to Earth. Gravity always works on an object, even when you push or pull it. Friction (摩擦力) pulls against the sled opposite of gravity. It slows down the sled’s ...
Focuses on the employee motivation presentation made by Loree Olsen of Career Track at the annual conference of the Associated Landscape Contractors of America. Difference between the `push' and the `pull' approaches to employee ...
pull ___You push and I'll pull. ___He gave a strong pull at the rope. pull, push , drag辨析 pull___ drag___He grabbed her and dragged her away. 【2013陕西】Finally, there were a suddenpull at the pole 相关知识点: 试题来源: 解析 1)vt. vi拉,拖,牵,拽;搬走 2)n.拉...
Magnets are pieces of metal or rock with an invisible power to attract special kinds of metal. That power is called a force. In nature, a force is something that causes a push or a pull. Gravity is the force that keeps you from floating off the ground. Magnetism is the force that ...