I would assume but am not completely sure..
A. There is no resistance involved if you are swinging your arm
The lever is a movable bar that pivots on a fulcrum attached to a fixed point. ... It shows that if the distance a from the fulcrum to where the input force is applied (point A) is greater than the distance b from fulcrum to where the output force is applied (point B), then the lever amplifies the input force.
pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
Answer:
₲ØØĐ ₥ØⱤ₦ł₦₲ Jłł ₳₳₱ ฿ØⱠ ⱧɆ ₦Ⱨł Ɽ₳Ⱨł ₭ɎØ ⱧɄ₳ Jłł♡♡༆♡♡♡♡♡♡♡♡༆༆
