A: action force ... to which there is a reaction force
Answer:
C. It maintains control by reversing the direction the system is going.
Explanation:
APEX
Answer:
minimum speed v=
Explanation:
Recall the formula for centripetal force;
Centripetal force is the force that is required to keep an object moving in circular part
where;
F=centripetal force
m=mass of object
r=radius of curvature
v= minimum speed
To find minimum speed make v the subject of formula;
v=