Question

uses of 1st class leaver?

Answer 1

Answer:

Explanation:

some common first-class levers are see-saws, crowbars, and pliers. A pair of scissors (which use two first-class levers together), and a hammer pulling a nail out of a board are also first class levers.

Answer 2

Answer:

Explanation:

some common first class levera are see-saws,crowbars and pliers . A pair of scissors and a ha4mmer pulling a nail out of a boast. are also first class lever