Answer:
In a pulley, the ideal mechanical advantage is equal to the number of rope segments pulling up on the object. The more rope segments that are helping to do the lifting work, the less force that is needed for the job.
Answer:
x=3/2 or 1.5
Step-by-step explanation:
Screenshot below should help :)
Answer:
between 7 and 8
Step-by-step explanation:
Midpoint=12.5 let me know if this helps
diameter (d) = 2 · r
Circumference (C) = 2 π · r → C = π · d → d = 