According to Newton's second law of motion, the acceleration of an object is caused by an unbalanced force acting on it. Therefore, the correct answer is:
An unbalanced force has acted on the vehicle.
A vehicle of known mass accelerates along a straight path. According to Newton's second law of motion, what caused this acceleration?
Question 1 options:
An unbalanced force has acted on the vehicle.
A balanced force has acted on the vehicle.
The mass of the vehicle has changed.
The direction of the vehicle has changed.
1 answer