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.
A. Happy couples listen to each other
Answer:
Hello There!!
Explanation:
Here is your answer:I think it is possibly about growing stuff natural and saving money.
hope this helps,have a great day!!
~Pinky~