Question

14. (a) If the sum of all the forces acting on a moving object is zero, the object will [0.2p] 1. slow down and stop ABC 2. change the direction of its motion 3. accelerate uniformly 4. continue movin

Answer 1

When the sum of all forces on a moving object is zero, it continues to move with constant velocity, reflecting Newton's First Law of Motion.

Step-by-step explanation:

If the sum of all the forces acting on a moving object is zero, the object will continue moving with a constant velocity. This scenario directly refers to Newton's First Law of Motion, often called the law of inertia, which states that an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force. In the absence of unbalanced forces, the motion of the object does not change, meaning it does not slow down, stop, or change direction.

Answer 2

When the sum of all forces acting on a moving object is zero, it will continue moving with constant velocity according to Newton's first law of motion.

Step-by-step explanation:

If the sum of all the forces acting on a moving object is zero, this means that there is no net force acting on the object. According to Newton's first law of motion, an object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Thus, the object will not slow down, change direction, or accelerate uniformly; instead, it will continue moving with constant velocity. This principle is a fundamental concept in classical mechanics, often observed in various physical situations, such as a car moving down the street at a constant velocity where the forces of friction and air resistance balance out the propulsive forces, or an object sliding on a frictionless surface which will keep moving indefinitely until an external force is applied.