By placing the lever under the rock while still balancing on the fulcrum and pressing on the other end
The hammer is acting as a lever. The force exerted against the fulcrum (the head of the hammer) causes the claw end to lift and extract the nail.
3 x 200 N = 600 N.
Using a lever and using Wheel and axle is completely different.Some Practical situations could be :When you want to move a heavy box and you are using a lever to roll it to make it move,You can rather use a wheel and axle.The thing is that where wheel and axle is used at that place lever cannot be used and vice versa.You cannot use a wheel and axle to open cars door hence lever is used.You cannot use lever to move a car there fore you need wheel and axle.
No, the function of the fulcrum remains the same The only change would be the ratio of force to load The closer the fulcrum is the the load, the less force required to lift it The farther away the fulcrum is from the load, the more force required to lift it
It is a second class lever.One example is the wheelbarrow - the wheel is the fulcrum, the input force is at the handles where you lift and push, and the output force is what's carried in the wheelbarrow.
Yes, a lever can lift a rock by using a mechanical advantage to multiply the force applied to lift the rock. The longer the lever arm, the easier it is to lift the rock.
What you do to your end of the lever is the INPUT force.The OUTPUT force is what happens down there under the rock.How to decide ? Try this:The OUTPUT is the RESULT of all the tools, equipment, resources,knowledge, tricks, and machinery you have, and how you use them.
When using a lever to lift a 45 N rock, the force required would be an input force. This is because you are applying the force to the lever to lift the rock against the force of gravity. The output force would be the force exerted by the lever on the rock.
It is 7.5
It is used to lift a heavy object. Place the end of the lever under the rock. Then move a fulcrum (for example a small rock) under the lever close to where it goes under the rock. By moving your end of the lever a lot, you can make the shorter end move a little and lift a heavy weight.
Probably you are using the board as a lever.
The force applied to the lever can be found by dividing the force exerted on the rock by the mechanical advantage of the lever. In this case, the force applied to the lever would be 200 N (800 N / 4).
Using a lever allows for the force applied to be spread out over a larger distance, making it easier to lift the rock compared to lifting it by hand where the force is applied directly. This makes it possible to lift heavier objects with less effort when using a lever.
The moving rock with a board and log is an example of a simple machine called a lever. In this case, it likely represents a first-class lever, where the rock acts as the fulcrum, the board is the lever arm, and the log provides the effort to lift or move the load.
Some people use a rock and a piece of wood.
A wheelbarrow uses a lever as a simple machine to lift a load. The handle of the wheelbarrow acts as the lever, allowing the user to exert a force to lift the load placed in the container.
Well, what happens is, people who don't know what they're doing come on here and ask questions when they should know how to answer the question themselves. This sounds like a question from a test, so if it's for a test then you should have been taught how to solve this.