Question

The pedals on a bicycle give a mechanical advantage by allowing you to turn the pedals a __________ distance to turn the __________ circumstance of the wheels.
A)
long, larger
Eliminate
B)
long, shorter
C)
short, larger
D)
short, shorter

Answer 1

@williamross77

Answer 2

i think i would be c

Answer 3

thats my guess too but i have no clue

Answer 4

just go with it

Answer 5

do you think you could help me with one more?

Answer 6

sure

Answer 7

This pulley
A)
has a mechanical advantage of 1 and does not make work easier.
Eliminate
B)
has mechanical advantage of 2 and reduces the force needed to lift an object.
C)
has a mechanical advantage of 2 and changes the direction of the applied force.
D)
has a mechanical advantage of 1 and changes the direction of the force needed to lift an object.

Answer 8

let me get the pic

Answer 9

i think its D

Answer 10

yea its d

Answer 11

How did you get the mechanical advantage? I mean I new that it had to change direction of force but how do you get that?

Answer 12

i just remeber i had the same question and the answer was d

Answer 13

ok

Answer 14

yeah the answer is B.

Answer 15

Well I turned it in lol so yea, I passed with a good grade tho so idc

Answer 16

when you pedal your pedaling shorter not longer like taking a step but the distance you go longer

Answer 17

Yea I figured it was shorter but hey idk lol, physics had made me double think everything even if the answer is obvious