An investigation is set up to test Newton’s second law of motion. Various trials are conducted on the same car. In each trial, forces of different strengths are applied to the same car, and then the acceleration of the car is measured.
Why is it important to use the same car in each trial of the investigation?
(1 point)
Responses
to keep the force constant
to keep the force constant
to keep the mass constant
to keep the mass constant
to keep the acceleration constant
to keep the acceleration constant
to keep the velocity constant
The correct response is:
to keep the mass constant
Using the same car in each trial ensures that the mass of the object being tested remains constant. This is important because Newton's second law of motion states that the acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass. By keeping the mass constant, the only variable that changes is the force applied, allowing for a clear understanding of the relationship between force and acceleration.