1. What is the Impulse Formula?

The impulse formula calculates the change in momentum of an object when a force is applied over a time interval. It is defined as the product of mass and change in velocity: J = m × Δv.

2. How Does the Calculator Work?

The calculator uses the impulse formula:

Where:

• \( J \) — Impulse (kg·m/s)
• \( m \) — Mass (kg)
• \( \Delta v \) — Change in velocity (m/s)

Explanation: The formula shows that impulse is directly proportional to both the mass of the object and the change in its velocity.

3. Importance of Impulse Calculation

Details: Impulse calculation is crucial in physics and engineering for understanding collision dynamics, safety design, and analyzing forces in mechanical systems.

4. Using the Calculator

Tips: Enter mass in kilograms and change in velocity in meters per second. Both values must be valid (mass > 0).

5. Frequently Asked Questions (FAQ)

Q1: What is the unit of impulse?
A: The SI unit of impulse is kilogram meter per second (kg·m/s), which is equivalent to Newton second (N·s).

Q2: How is impulse related to force?
A: Impulse equals the product of average force and the time interval over which it acts: J = F × Δt.

Q3: What does a negative impulse indicate?
A: A negative impulse indicates a decrease in momentum, typically when an object slows down or changes direction.

Q4: Can impulse be zero?
A: Yes, impulse is zero when there is no change in velocity (Δv = 0), meaning no net force was applied over time.

Q5: How is impulse used in real-world applications?
A: Impulse principles are used in vehicle safety systems, sports equipment design, and analyzing impact forces in various engineering applications.