Q:

What are examples of balanced forces?

A:

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:

    What is an example of centripetal force?

    A:

    An example of centripetal force is a car making a turn on a curve. Other common examples of centripetal force are the planets in the solar system rotating around the sun.

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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:

    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 forces keep a pendulum in motion?

    A:

    The force of gravity is the only force that keeps a standard hanging pendulum in motion. It is both the force that increases the speed of the pendulum on its downswing and decreases its speed on its upswing. The force of friction from air is the major reason that the arc of the pendulum's swing diminishes over time.

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