What term describes a body that does not change its position relative to a fixed point?

What term describes a body that does not change its position relative to a fixed point?

• A. State of rest
• B. Static equilibrium
• C. Inertia
• D. Momentum

Answer: (A)

The term that describes a body that does not change its position relative to a fixed point is "static equilibrium." When a body is in static equilibrium, it is at rest and all forces acting on it are balanced, resulting in no net force or motion. This condition ensures that the body maintains its position relative to the fixed point, confirming that it is not moving. In contrast, "state of rest" generally implies a situation where an object is not in motion, but does not necessarily encompass the idea of forces being balanced, as in a more dynamic context one could have a non-moving object which is still subject to external forces. "Inertia" refers to the property of an object that resists changes to its state of motion, but does not specifically indicate that it is at rest in relation to a fixed point. "Momentum" is defined as the quantity of motion an object possesses, which indicates that it must be in motion rather than in a static position. Thus, "static equilibrium" provides a more precise definition relevant to the scenario described.

The term that describes a body that does not change its position relative to a fixed point is "static equilibrium." When a body is in static equilibrium, it is at rest and all forces acting on it are balanced, resulting in no net force or motion. This condition ensures that the body maintains its position relative to the fixed point, confirming that it is not moving.

In contrast, "state of rest" generally implies a situation where an object is not in motion, but does not necessarily encompass the idea of forces being balanced, as in a more dynamic context one could have a non-moving object which is still subject to external forces. "Inertia" refers to the property of an object that resists changes to its state of motion, but does not specifically indicate that it is at rest in relation to a fixed point. "Momentum" is defined as the quantity of motion an object possesses, which indicates that it must be in motion rather than in a static position.

Thus, "static equilibrium" provides a more precise definition relevant to the scenario described.