Which two phrases describe a situation that will cause an object moving at a constant speed to slow down?

A. Unbalanced forces

O

B. Balanced forces

C. A net force that is not 0

m

D. A net force equal to 0

SUBMIT

The phrases the describe the situation are A and C

Explanation:

1- If a car is at rest or uniform motion, it will remain in that condition until an external force acts on it. If the external forces acting on a body are balanced , it means that their sum is equals to 0, which eventually results that no Net force is acting on it.

For balance forces, ∑F = 0

2- If the car moving at a constant speed is slowing down, it means that the forces have become unbalanced, eventually resulting in a Net force in the opposite direction of the motion of the car, due to which it is slowing down

For unbalanced forces, ∑F ≠ 0

The question satisfies 2, which is the answer

it has to be b, about 97 percent.

the answer is a. hope this .