Q:

What are newtons?

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Quick Answer

Newton is the unit of force in the international system of units, usually abbreviated "N." It is defined as the force required to move one kilogram of mass at an acceleration rate of one meter per second squared.

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Full Answer

One newton is equivalent to 100,000 dynes of force, in the centimeter-gram-second system of units, and equal to about 0.2248 pounds of force, in the foot-pound-second system of units. It is named after Sir Isaac Newton, who described that force can bring changes in the movement of an object, in his second law of motion. This law states that force equals mass times acceleration (F=ma).

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  • Q:

    What is the unit for force?

    A:

    The unit for force in the metric system is the newton or kilogram meter per second squared, while the unit for force in the U.S. standard system is the pound force. The formula for force is mass times acceleration.

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  • Q:

    What is an example of the second law of motion?

    A:

    An example of Newton's second law of motion would be if someone's car ran out of gas and they tried to push it and, because the car is much heavier, it would require more force to push than if it was a lighter object, like a bicycle. This example relates to Newton's second law of motion because this law stipulates that the heavier an object is, the more force will be required to move the object and give it acceleration.

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  • Q:

    How is riding a bike an example of Newton's third law of motion?

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    Riding a bike is an example of Newton's third law of motion because the force needed to pedal a bike forward, which is the force that the tire exerts on the ground, is equal to the force of the ground pushing against the tire. The real-world example of riding a bike can also be used to demonstrate Newton's first and second laws of motion.

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  • Q:

    What is the law of acceleration?

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    The law of acceleration is formally referred to as Newton's Second Law of Motion and defines the rate of acceleration as a product of the force exerted on the object and the mass of the object. The rate of acceleration increases as the net force increases. The inverse is true for mass, with the acceleration decreasing as the mass increases.

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