subject
Physics, 25.08.2019 19:00 matthi4687

When calculating the mechanical advantage of a lever, what two pieces of information are needed?
a. the mass of the object being moved and the length of the effort arm
b. the length of the effort arm and the length of the resistance arm
c. the length of the resistance arm and the amount of effort needed to move the object
d. the length of the resistance arm and the amount of resistance force that is exerted

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
question
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
Answers: 1
question
Physics, 22.06.2019 10:30
You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.
Answers: 3
question
Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
Answers: 1
You know the right answer?
When calculating the mechanical advantage of a lever, what two pieces of information are needed?
Questions
question
Mathematics, 05.04.2021 17:20
question
Business, 05.04.2021 17:20