Answer:
D. The input force is equal to the output force
Step-by-step explanation:
A pulley changes the direction of the applied force, but does not change its magnitude. The mechanical advantage is the ratio of output force to input force, so must be 1 when the force magnitude does not change.
Answer:
the square root of 16 is 5
Answer: 129.81 m, roughly 130 m
Step-by-step explanation: Let me know if you need an explanation.
