Impulse Calculator

Impulse Calculator

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

Choose:

$$ J \ = \ F \ t $$

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

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

Force (f)

dyn ▾

Time (t)

sec ▾

Impulse Units:

The impulse calculator calculates the instantaneous rate of change in momentum or impulse of a moving object.

How to Calculate Impulse?

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

Formula for impulse:

J = F × t

Where:

J = Impulse
F = Applied force
t = Time interval

Rearranging the equation to solve for force or time:

Force: F = J / t

Time: t = J / F

The Impulse formula calculator uses the equation J = F × t to find impulse, force, or time when any two of the values are known.

Practical Example:

A player hits a football with a force of 20 N, and the ball remains in motion for 7 seconds before coming to rest. How do we calculate the impulse (instantaneous change in momentum)?

Given:

F = 20 N

t = 7 sec

J = ?

Solution:

Using the formula: J = F × t

J = (20 N) × (7 sec)

J = 140 N·s or 140 kg·m/s

This impulse calculator physics can help you analyze the momentum of any object in motion at a particular moment.

Working of the Impulse Calculator:

The impulse calculator works as follows:

Input:

Select the parameter you want 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 means that the net force is acting in the opposite direction. This impulse calculator helps you analyze the momentum of an object moving in both positive and negative directions.

Is Impulse a Force?

Impulse is not a force by itself, but it represents the effect of a force applied over a period of time to change an object's momentum. The impulse calculator computes the force and calculates the resulting impulse of a moving object almost instantly.

References:

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