EssenceBlocker144
10.10.2020 •
Physics
What is mechanical advantage?
A. calculated forces that allow designers to manipulate speed, distance, force and function
B. the ratio of the distance traveled by the effort and resistance force
C. the ratio of the magnitude of the resistance and effort forces
D. the ratio between the distance from the door to the opposite wall and the floor to the ceiling
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Ответ:
The grooves on the surface of tires are so they can grip the ground better when the car/bicycle/motorcycle move.
Explanation: