Introduction:
Motion and force are two important concepts in physics. Motion is the movement of an object from one place to another, while force is a push or pull that can cause an object to move. When a force is exerted on an object, the object may or may not be in motion. In this response, we will discuss why the motion of a body and the direction of force exerted on it are not always the same.

Newton's First Law:
Newton's first law of motion states that an object at rest will remain at rest, and an object in motion will continue to move at a constant velocity in a straight line unless acted upon by an external force. This means that an object that is not moving will not start moving unless a force is applied to it. Similarly, an object that is already in motion will continue to move in the same direction and at the same speed unless acted upon by a force.

Direction of Force:
The direction of the force exerted on an object depends on the direction in which the force is applied. For example, if a person pushes a box to the right, the force is applied in the rightward direction. If the person pushes the box to the left, the force is applied in the leftward direction. The direction of the force can also be upward, downward, or at an angle.

Friction:
One reason why the motion of a body and the direction of the force exerted on it are not always the same is because of friction. Friction is a force that opposes motion between two surfaces that are in contact. When a force is applied to an object, friction can cause the object to move in a different direction than the force is applied. For example, if a person pushes a box to the right on a surface with high friction, the box may move slightly to the right, but it may also move slightly upward or downward due to the force of friction.

Conclusion:
In conclusion, the motion of a body and the direction of the force exerted on it are not always the same due to factors such as friction. Understanding the relationship between motion and force is important in physics and can help us understand how objects move and interact with each other in the world around us.