Physics, 04.04.2020 06:21 krystlemiller4307

A crowbar is used to pull a nail. The length of the effort arm of the crowbar is 22 cm and the resistance arm is 4.2 cm. What force in N is required to pull a nail if the friction force holding the nail in place is 120 N

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:10, smiley0326

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Answers: 3

continue

Physics, 22.06.2019 03:50, cyberdac01

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Answers: 1

continue

Physics, 22.06.2019 06:30, haha81

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Answers: 1

continue

Physics, 22.06.2019 16:00, Nigward666

The solid that is formed and usually sinks to the bottom of a solution is the

Answers: 2

continue

You know the right answer?

A crowbar is used to pull a nail. The length of the effort arm of the crowbar is 22 cm and the resis...