Question

Question 3

Which of the following is an example of positive acceleration?
A car increases its speed from 5 m/s to 10 m/s.
A car is traveling at 25 m/s for 5 minutes.
A car is traveling at 25 m/s and begins to slow down as it approaches a stop sign.
A car is in park.

Answer 1

Answer: 1ST OPTION A car increases its speed from 5 m/s to 10 m/s

Explanation:IN 1ST OPTION : because the vel and force are in the same direction therefore acceleration is positive

IN 2ND & 3RD OPTION : the force and velocity in opposite direction so its velocity decreases therefore acceleration is negitive