13 мар. 2020 г. · A hammer when used to drive in nails is a third class lever P-E-L (pivot is your shoulder - effort is applied where you grip it - load is on ... Is a hammer a first class lever? How is first class lever better than second class lever? How do the three classes of levers work? What is a first-class lever? What are some examples? Другие результаты с сайта www.quora.com

Therefore, when a hammer is used in this way it is a first class lever. The fulcrum is closer to the output force than the input force, so the mechanical ...

3 июл. 2022 г. · In the case of driving a nail with a hammer, the effort is located between the fulcrum and the load, and hence a hammer is a class-three lever.

5 мая 2022 г. · A hammer acts as a third-class lever when it is used to drive in a nail: the fulcrum is the wrist, the effort is applied through the hand ...

6 авг. 2021 г. · Answer: A claw hammer used to pull nails is a first class lever that places the load near the fulcrum to make it easier to move.

A hammer is a first-class lever when it is used to pry a nail out of a board. The hammer rests on the board. Your hand (holding onto the handle) applies a ...

Correct Answer: Option D. Explanation. Examples of first class levers are pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance.

For example, a seesaw, a crowbar, a pair of scissors, a balance scale, a pair of pliers, and a claw hammer (pulling a nail). ... 3rd class lever. Compound lever.