1). What are the three simple machines described?
2). What simple machine is used to split things apart?
3). What simple machine is a flat surface whose one end is higher than the other to lift objects with relatively little effort?
4). What simple machine has a rigid or stiff structure called bar?
5). Give one example of a lever, inclined plane, and wedge.
2). What simple machine is used to split things apart?
3). What simple machine is a flat surface whose one end is higher than the other to lift objects with relatively little effort?
4). What simple machine has a rigid or stiff structure called bar?
5). Give one example of a lever, inclined plane, and wedge.
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Answer:
1.Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever.
2.wedge
A wedge is a simple machine used to push two objects apart. A wedge is made up of two inclined planes. These planes meet and form a sharp edge. This edge can split things apart.
3.inclined plane
An inclined plane is a flat, sloped surface
4.LEVER
A lever is a rigid bar that is free to pivot, or rotate, about a fixed point. The fixed point that a lever rotates around is called the fulcrum. You can calculate the ideal mechanical advantage of a lever as the distance from the fulcrum to the input force divided by the distance from the fulcrum to the output force.
5.The wedge is used to separate an object apart. ... Some examples of wedges that are used for separating might be a shovel, a knife, an axe, a pick axe, a saw, a needle, scissors,
Wheelbarrows, fishing rods, shovels, brooms, arms, legs, boat oars, crow bars, and bottle openers are all examples of levers.
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