A. Lever B. Inclined plane C. Pulley D. Wheel and axle 相关知识点: 试题来源: 解析 A。B 选项斜面是一种倾斜的平面;C 选项滑轮是由轮和绳索组成的简单机械;D 选项轮轴由轮和轴组成。而跷跷板是一种典型的杠杆,以中间的支点为轴,两端的人对跷跷板施加力。反馈 收藏 ...
Science Physics Simple machine What is an inclined plane?Question:What is an inclined plane?Answer and Explanation: Machines help us do work. They reduce the amount of force that we need to use in order to accomplish a task, such as moving a box from one place to......
An inclined plane is an object that has a flat surface and is slanted at a fixed angle. It's one of the six simple machines that...
What is the proper way to make a social business introduction. Should you use a hug a kiss or a headache when greeting someone. What is the standard greeting in a business sitting. Discussion. Compare cultures in small groups and by discussing this question. What is the order of introduction...
The Inclined Plane Aninclined planeis a simple machine with no moving parts. It is simply an even-sloping surface. It makes it easier for us to move objects to higher or lower surfaces than if we lifted the objects directly upwards. It is believed that ancient Egyptians used inclined planes...
A plane joint, also called a gliding joint, are places where the bones meet and slide past one another on a flat edge. Between each of the bones, there are small paddings of cartilage and other tissues to help ensure smooth, fluid motion when moving. Because this kind of joint isn't ...
How to measure gravity using a pendulum How would you weigh a plane without scales? If you stand on a floor, how does the normal force on you compare to your weight? An elevator carrying a person of mass m is moving downward and speeding up. How does the magnitude Fn...
The act of inclining or the state of being inclined; a bend or tilt The inclination of the child's head suggested sleep. 1 Slope A surface of which one end or side is at a higher level than another; a rising or falling surface He slithered helplessly down the slope 1 Inclination A de...
If we analyze the 2D projection on a table plane of the ramp and the body on it, and we try to move the body applying the horizontal force, we can see that the mass of the body is modified by the mysterious (in 2D) interaction: the gravity caused by the presence of our 3D planet...
生活大爆炸第1季第2集台词 英文中文Here we go. pad thai,no peanuts.给泰国炒面不加花生But does it have peanut oil?...