Geography, 25.01.2022 06:10, Blakemiller2020

Efficiency? 5. Challenge yourself: An ideal system with one fixed and one moveable pulley has a
mechanical advantage of two. Suppose a real system with one fixed and one moveable
pulley had an efficiency of 80%. (Recall that a standard pulley has a weight of 5 newtons.)
A. Using this system, how much force will be needed to lift a 45-N load?
B. Check your answer using the Gizmo. How much force was needed?
C. Modify your efficiency equation from #4 above to factor in mechanical advantage.
+
Text Predictions: On
EUS
100
o
RI
9

Answers: 3

Show answers

Other questions on the subject: Geography

Geography, 22.06.2019 13:30, orangeicecream

What was one effect of european influence on southeast asia? new roads and railroads were constructed. rulers built palaces in the european architectural style. the vietnamese absorbed much of the european culture. the islamic religion spread throughout the region.

Answers: 2

continue

Geography, 23.06.2019 01:30, MayFlowers

What is the approximate chemical composition of the solar nebula?

Answers: 3

continue

Geography, 23.06.2019 10:00, smilxess

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?

Answers: 1

continue

Geography, 23.06.2019 22:30, stodd9503

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.

Answers: 3

continue

Do you know the correct answer?

Efficiency? 5. Challenge yourself: An ideal system with one fixed and one moveable pulley has a