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Q: When using a lever to lift a 45 N rock a force in or a force out?
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Can a lever lift a rock?

Yes it can.


What position should the gear shift lever be in when tightening?

To lift the rock using the least amount of effort force,should push on the position farthest away from the fulcrum. This is position Z.


When you use a lever to lift a rock is the output force is represented by the amount of force you apply to the end of the lever?

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.


How can you use a lever to lift a rock?

By placing the lever under the rock while still balancing on the fulcrum and pressing on the other end


How do you use a lever?

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.


You use a crowbar with a 150 cm effort arm as a lever to lift a large rock The rock is 20 cm from the fulcrum What is the ideal mechanical advantage of the lever?

It is 7.5


How many pounds of force must a man exert on one end of a 10 ft lever to lift a 200 lb rock on the other end if the fulcrum is 2 ft from the rock?

to balance moment 10 feet x force = 2 feet x 200 force = 40 pounds


What machine can get a large rock out of the ground?

A large lever can move a boulder by increasing your lifting power. With the fulcrum closer to the boulder and your force exerted farther away, you can lift it. The lever changes a small force exerted over a long path into a large force exerted over a small path.


Find the effort force needed to lift a 2000 N rock using a jack with mechanical advantage of 10?

200


When you use a crowbar to lift a heavy rock which force is bigger the weight of the rock or the force applied to the end of crowbar?

the force, otherwise the rock would not move.


When you use a crowbar to lift a rock you are working against a force called?

input force


What lever is a moving rock with a board and log?

Because the wood is between the rock and the log. The wood is force, the rock is resistance and the log is fulcrum so it's a third class lever