A particle traveling through space is speeding up because of a 180 N force acting in its direction of motion. All of a sudden, the particle encounters a second force of 180 N in the opposite direction of the first force. With both forces now acting on the particle, what happens?
The particle gradually slows to a stop.
The particle is brought to a rapid halt.
The particle continues at the velocity it had when it encountered the second force.
The particle's acceleration is now twice what it was before encountering the second force.
None of these are correct.