Question

newtons 2nd law of motion is also called the law of acceleration. this law states that force equals mass times acceleration. it is a mathematical equation and is written like this: f = mass × acceleration. the mass of an object is the amount of matter in the object. an object is accelerating when it speeds up, slows down, or changes direction. it is not accelerating when it is at a constant speed and moving in the same direction. when mass is increased, the amount of force used to accelerate the object must be increased and when mass is decreased, the amount of force required to accelerate the object is decreased. which scenario would be considered an acceleration? a car parked in a parking lot. a car traveling west at 65 mph. a cars speed changing from 0 mph to 25 mph.

Explanation:

According to the given information, an object is accelerating when it speeds up, slows down, or changes direction. A car parked in a parking lot has zero speed and no change in motion. A car traveling west at 65 mph has a constant speed and direction. But a car's speed changing from 0 mph to 25 mph is speeding up, which meets the definition of acceleration.

Answer:

C. A car’s speed changing from 0 mph to 25 mph.