Q:

What are examples of balanced forces?

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Quick Answer

Examples of balanced forces include the centripetal and centrifugal forces that keep the planets in fixed orbits around the sun, as well as weight and reaction forces that keep a book on a table. Balanced forces are forces that are equal in magnitude and opposite in direction.

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Full Answer

The net force acting on a body when forces are balanced is zero. When forces cancel one another, the object the forces act upon is said to be in equilibrium. Balanced forces are what cause objects to tend to remain in their states of motion.

When the forces acting on a body are balanced, this does not necessarily mean the object is stationary. The object may be traveling at a constant velocity relative to a certain reference frame. However, the body cannot be accelerating or decelerating, as this would require the presence of a net force, according to Newton’s Second Law.

Weight and a corresponding reaction force from a solid surface are examples of balanced forces. A person standing on a floor is pulled downwards by the Earth’s gravitational field, causing them to exert a force equal to their mass times their acceleration on the floor. The floor reacts with an equal and opposite force, causing the person to remain in equilibrium.

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Related Questions

  • Q:

    How are forces measured?

    A:

    Forces are measured by using devices such as bathroom scales and spring balances, also known as force meters or Newton meters. When the mass and acceleration of an object are given, forces can also be measured using the equation F = ma, where "F" indicates the force, "m" denotes the mass and "a" represents acceleration.

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  • Q:

    What is coplanar forces?

    A:

    Coplanar forces are forces on a single plane. This means that all points of application are inside that plane and that all forces are running parallel to that plane.

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  • Q:

    What are the different kinds of forces in physics?

    A:

    Modern physics recognizes four fundamental types of interaction between particles: the strong force, the weak force, electromagnetism and gravity. Each force acts in a distinct way over distance, and all operate at different energy values.

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  • Q:

    What is the difference between balanced and unbalanced forces?

    A:

    Balanced forces are forces that produce no change in motion, while unbalanced forces produce some type of acceleration. With balanced forces, any forces in a given direction are exactly matched by forces in the opposite direction. With unbalanced forces, the forces in one direction are greater than those in the opposite direction, resulting in a net force that produces acceleration.

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