It makes it easier for the effort force [such as your hand] to lift the resistance force [such as a heavy object].
it is a 2nd class lever
3rd class lever
A crane is a first class lever when it is winching in or out the rope attached to a load. The crane becomes 3rd class lever when it's boom is luffing, i.e. it is being lowererd or raised.
1st class lever3rd class lever
First Class LeverIt is a First class lever.
is a crowbar first class lever
first class lever second class lever third class lever
no,its second class lever for sure....
First class lever
it is in the first class lever family.
A door typically functions as a first-class lever, with the hinges acting as the fulcrum, the door handle as the effort, and the door itself as the load.
Your arm can be considered a first class lever.