Physics, 27.01.2020 23:31 lbbeanss

Ms. sullivan's class is investigating simple machines. today they are using a crowbar to lift a heavy desk. most students can lift the desk with the crowbar, even though they couldn't lift it with their bare hands.

one student in the class can't lift the desk even with the crowbar. what change should be made so the student can lift the desk?

a) use a crowbar that is longer than the first.
b) use a crowbar that is shorter than the first.
c) use a crowbar that is heavier than the first.
d) use a different type of lever that is the same length as the original crowbar.
eliminate

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 23:20, nathalyviruete

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Answers: 1

continue

Physics, 22.06.2019 06:40, danny1687

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Answers: 1

continue

Physics, 22.06.2019 13:00, maiahfogel1351

Which of the following are appropriate acceleration units?

Answers: 1

continue

Physics, 22.06.2019 17:30, evanwall91

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.

Answers: 2

continue

You know the right answer?

Ms. sullivan's class is investigating simple machines. today they are using a crowbar to lift a heav...