The difference between the above velocities is that they exist in opposite direction of each other. or it can be said that they are negative vectors of each other.
It's inertia. A rule that you see every day, for example a brick will stay in the same spot unless a force acts on it.
You should select Choice-4 .
Answer: friction is used when 2 and 2 things mix and come together but normally friction slows things down but when buttering a pan it doesnt slow down
The correct answer is D, Diamond
