Answer:
Friction always acts in the direction opposing motion. This means if friction is present, it counteracts and cancels some of the force causing the motion (if the object is being accelerated).
Explanation:
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
The Luminosity of a star is proportional to its Effective Temperature to the 4th power and its Radius squared.
Answer:
ANSWERS ARE 100 % correct
Explanation:
trust me