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# What Is the Formula to Calculate Force?

**For an object with unchanging mass, force equals mass times acceleration.** This is abbreviated as f = ma. Force is a push/pull on an object resulting from interactions with another object. Having a magnitude and a direction makes force a vector quantity.

Contact forces exist when two objects physically touch one another; action-at-a-distance forces exist when two objects exert a push/pull on each other without touching. Gravitational force is an example of an action-at-a-distance force. Summing all force vectors an object experiences gives the direction it will move. The SI unit of force is the Newton (symbolized by N). One Newton is the force required to give one kilogram an acceleration of one meter per second per second.

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## How Do You Calculate Force?

A: Calculate the amount of force exerted on a moving object by using the formula f = m * a. You need to know the mass of the object and its acceleration. Full Answer >Filed Under: -
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## What Is the Centripetal Force Formula?

A: The formula for centripetal force is: (f) = mass of the object (m) * tangential velocity (v) squared / distance from the center or radius (r). Centripetal ... Full Answer >Filed Under: -
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## What Is Newton's Second Law in Terms of Atwood's Machine?

A: Newton’s second law states that the force acting on an object is directly related to the acceleration. The law is formulated as F = m x a, where F = force,... Full Answer >Filed Under: -
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## What Are the Positives and Negatives of G-Force?

A: G-force is an attractive force caused by the acceleration due to gravity on one object by another object. Positive g-force increases the apparent weight of... Full Answer >Filed Under: