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Sure. Anything that's slowing down has velocity and acceleration in opposite directions.

-- A ball tossed up in the air has upward velocity and downward acceleration.

-- A car stopping for a red light has forward velocity and backward acceleration.

Q: Is it possible for a body to have its velocity and acceleration pointing in opposite directions?

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Sure. Anything that's slowing down has velocity and acceleration in opposite directions. -- A ball tossed up in the air has upward velocity and downward acceleration. -- A car stopping for a red light has forward velocity and backward acceleration.

If you define the positive direction as pointing down, then the falling object has positive acceleration.Its magnitude is 9.8 m/s2.

Yes, the object can have equal forces acting in opposite directions: 5N ->[]<- 5N The object will have forces acting upon it, but will not move.

"for every action there is an equal and opposite re-action" which means in this case that the force being applied to the object is not enough to overcome the mass of the object and for it to move as a result.

If the object is moving in a positive direktion along its x-axis and the acceleration is in the opposite direction (negative acceleration, i.e. retardation), then yes. Lets say the acceleration is -2 m/s^2 and its increasing with a magnitude of 2 then the new acceleration would be -4 m/s^2. Sure, the object was already slowing down but now its slowing down even more.

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Sure. Anything that's slowing down has velocity and acceleration in opposite directions. -- A ball tossed up in the air has upward velocity and downward acceleration. -- A car stopping for a red light has forward velocity and backward acceleration.

Yes, it is possible. For example, if you through an object up, its velocity would initially be in the "up" direction, but its acceleration would be in the "down" direction.

If you define the positive direction as pointing down, then the falling object has positive acceleration.Its magnitude is 9.8 m/s2.

If they are equal in magnitude but act in opposite directions.

Yes - for a while. Or indefinitely, if you will accept zero acceleration as "constant acceleration".

The velocity and acceleration can have the same numeric value, but the units will be different. ----------------------------------------------------------------------------------------- No it is not possible. Because so long there is acceleration then the velocity has to change either in magnitude or in direction or in both. So it is not at all possible for acceleration and velocity to be the same simultaneously.

Yes, the object can have equal forces acting in opposite directions: 5N ->[]<- 5N The object will have forces acting upon it, but will not move.

Yes, the object can have equal forces acting in opposite directions: 5N ->[]<- 5N The object will have forces acting upon it, but will not move.

The opposite of possible is impossible.

"for every action there is an equal and opposite re-action" which means in this case that the force being applied to the object is not enough to overcome the mass of the object and for it to move as a result.

No, because acceleration is the rate of change of velocity.

If the object is moving in a positive direktion along its x-axis and the acceleration is in the opposite direction (negative acceleration, i.e. retardation), then yes. Lets say the acceleration is -2 m/s^2 and its increasing with a magnitude of 2 then the new acceleration would be -4 m/s^2. Sure, the object was already slowing down but now its slowing down even more.