What simple machine is a seesaw? 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。
Let's look at some of our modern inventions that are in fact simple machines! The Lever There are many modern inventions that are levers.A pair of scissors is a lever.Also,when you ride on a seesaw (跷跷板) in the playground,you're using a lever.The board rests on a point in the...
A stapler is an example of which simple machine? What is a monkey wrench tool used for? What type of machine is a seesaw? What do simple machines increase? What is a rotogravure machine? What kind of simple machine is a door knob?
What is a jet engine housing called? What plane joint is the longest? What type of machine is a seesaw? What type of simple machine is a screw? What type of joint is the syndesmosis? What is rolling friction? What is a freely movable type of joint?
Did you know that there are 6 simple machines that help make our lives easier? Here are some examples of each one: Lever: Think of a seesaw or a crowbar. Levers help us lift heavy objects with less effort. Wheel and Axle: This simple machine allows us to move heavy objects with ease...
Also, when you ride on a seesaw(跷跷板) in the playground, you're using a lever. The board rests on a point in the middle. When you push down on one end of the board, the other end goes up. The Wheel and Axle A wheel and axle(车轴) is a simple machine, but important for ...
- Class 1 Lever: The fulcrum is between the effort and the load (e.g., seesaw). - Class 2 Lever: The load is between the effort and the fulcrum (e.g., wheelbarrow). - Class 3 Lever: The effort is between the load and the fulcrum (e.g., tweezers). ...
A lever is one type of machine that gives you a mechanical advantage. A seesaw is an example of a lever. The part that holds the seesaw off the ground is called the fulcrum. Using the lever and fulcrum, you can lift things that would otherwise be too heavy. ...
6 simple machine examples Did you know there are 6 simple machines that make up the basis of all complex machines around us? Here are some examples to help you understand them better: Lever: A seesaw is a great example of a lever, where a pivot point helps move a load with less effort...
where, the pivot is in between the effort and the load. E.g. Seesaw The 2nd Class Lever – where, the load is between the fulcrum and the effort. E.g. Wheelbarrow The 3rd Class Lever – where, the effort is between the fulcrum and the load. E.g Fishing rod ...