Answer:
2.To fully describe the force acting upon an object, you must describe both the magnitude (size or numerical value) and the direction. ... In contrast, 10 Newton, downward is a complete description of the force acting upon an object; both the magnitude (10 Newton) and the direction (downward) are given.
Frictional Force: Gravitational Force
Normal Force: Magnetic Force
Tension Force: Electrical Force
Contact Forces: Action-at-a-Distance Forces
3.As an object moves in a circle, it is constantly changing its direction. And in accord with Newton's laws of motion, an accelerating object must be acted upon by an unbalanced force. This unbalanced force is in the same direction as the direction of the acceleration.
Explanation:
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