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Impulse Calculator

Enter the force and time in the tool, and the calculator will instantly compute the impulse of the object.

Choose:

$$ J \ = \ F \ t $$

$$ F \ = \ \frac{J}{t} $$

$$ t \ = \ \frac{J}{F} $$

Time (f)

dyn ▾

Force (t)

sec ▾

Impulse Units:

Related

The impulse calculator helps determine the instantaneous change in momentum or impulse of a moving object.

How to Calculate Impulse?

Impulse is the change in an object's momentum over a period of time. To calculate impulse, multiply the force applied to the object by the time interval during which the force acts.

Formula for Impulse:

J = F × t

Where:

J = Impulse
F = Applied force
t = Time interval

You can rearrange the formula to find force or time if needed:

Force: F = J / t

Time: t = J / F

The impulse calculator uses this formula (J = F × t) to compute impulse, force, or time when any two values are known.

Practical Example:

A player hits a football with a force of 20 N, and the ball stays in motion for 7 seconds before stopping. How do we calculate the impulse?

Given:

F = 20 N

t = 7 s

J = ?

Solution:

Using the formula: J = F × t

J = (20 N) × (7 s)

J = 140 N·s or 140 kg·m/s

This impulse calculator physics can help you analyze the momentum of any moving object at a given moment.

How the Impulse Calculator Works:

The calculator works in the following steps:

Input:

Select the parameter to calculate: Impulse, Force, or Time
Enter the known values of F and t
Click the calculate button

Output:

The impulse of the object

FAQs:

Can Impulse Be Negative?

Yes, impulse can be negative. A negative impulse indicates that the net force acts in the opposite direction. This impulse calculator helps analyze momentum in both directions.

Is Impulse a Force?

Impulse is not a force itself. It represents the effect of a force applied over time to change an object's momentum. The calculator computes the resulting impulse quickly when force and time are provided.

References:

From Wikipedia: Momentum, Impulse and momentum principles. From Newcastle University: Impulse and Momentum, Impulse-Momentum Principle.

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