Your question makes no sense, so I will tell you what will happen. The two equal and opposing forces will cancel each other out, and the particle will continue traveling at the speed it was when the second force was applied in the same direction that it was already traveling.
both directions opposite each other At any little fiber at any point in the string, if the forces in both directions were not equal, then that little fiber would be accelerated in the direction of the greater force.
If there be net force then it has to be accelerated. So the magnitude of the speed cannot remain the same. But in case of a body moving with a constant speed along the circular path, the forces will be centripetal and centrifugal both acting in opposite direction. So the body would not have displacement along the radial path.
Depends entirely on your frame of reference! If you are in a car traveling along side it at 50 ms, the car will appear to be standing still. If you are going the opposite direction at 50 ms, it will appear to be traveling at 100ms.
Same as acceleration - just remember that "deceleration" is an acceleration in a direction opposite to the direction of movement.Same as acceleration - just remember that "deceleration" is an acceleration in a direction opposite to the direction of movement.Same as acceleration - just remember that "deceleration" is an acceleration in a direction opposite to the direction of movement.Same as acceleration - just remember that "deceleration" is an acceleration in a direction opposite to the direction of movement.
It means deceleration or slowing down and there is a force operating against the motion.
yes
yes
just like an electron, its path curves but in the opposite direction.
It slows to a rest and then starts moving in the opposite direction at constant acceleration in that direction.
That is false. At least in America. Solid yellow lines are the means to separate traffic traveling in an opposite direction. A solid white line marks the outside edge of your lane, or the outside edge of the lane traveling in your direction. Meaning you'll either go into the shoulder, or off the road entirely, if you go over the solid white line.
No
No.
both directions opposite each other At any little fiber at any point in the string, if the forces in both directions were not equal, then that little fiber would be accelerated in the direction of the greater force.
If there be net force then it has to be accelerated. So the magnitude of the speed cannot remain the same. But in case of a body moving with a constant speed along the circular path, the forces will be centripetal and centrifugal both acting in opposite direction. So the body would not have displacement along the radial path.
yes
Yes. If you are traveling eastward but slowing down, your acceleration would be westward.
No.