The force that caused the ball to move downhill is D. gravitational force. Here's why:

1. When James releases the ball, he does not apply any force to it, so it's not A. applied force.

2. Drag force, B, is a resistance force that acts against the motion of an object moving through a fluid (like air or water). But in this case, it's not the force that initiates the ball's movement.

3. Friction force, C, generally acts to slow down or prevent motion, not cause it.

4. Gravitational force, D, is the force that attracts two objects toward each other. In this case, it's the force that pulls the ball downhill when James releases it.

5. Normal force, E, is the force exerted by a surface that supports the weight of an object resting on it. It acts perpendicular to the surface, not down the slope, so it's not the force causing the ball to move downhill.

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The force that caused the ball to move downhill is D. gravitational force. Here's why:

1. When James releases the ball, he does not apply any force to it, so it's not A. applied force.

2. Drag force, B, is a resistance force that acts against the motion of an object moving through a fluid (like air or water). But in this case, it's not the force that initiates the ball's movement.

3. Friction force, C, generally acts to slow down or prevent motion, not cause it.

4. Gravitational force, D, is the force that attracts two objects toward each other. In this case, it's the force that pulls the ball downhill when James releases it.

5. Normal force, E, is the force exerted by a surface that supports the weight of an object resting on it. It acts perpendicular to the surface, not down the slope, so it's not the force causing the ball to move downhill.

Knowee AI · Accepted Answer

The force that caused the ball to move downhill is D. gravitational force. Here's why:

1. When James releases the ball, he does not apply any force to it, so it's not A. applied force.

2. Drag force, B, is a resistance force that acts against the motion of an object moving through a fluid (like air or water). But in this case, it's not the force that initiates the ball's movement.

3. Friction force, C, generally acts to slow down or prevent motion, not cause it.

4. Gravitational force, D, is the force that attracts two objects toward each other. In this case, it's the force that pulls the ball downhill when James releases it.

5. Normal force, E, is the force exerted by a surface that supports the weight of an object resting on it. It acts perpendicular to the surface, not down the slope, so it's not the force causing the ball to move downhill.

James gently releases a ball at the top of a slope, but does not push the ball. The ball rolls down the slope. Which force caused the ball to move downhill? A. applied force B. drag force C. friction force D. gravitational force E. normal force

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