1. What is Momentum Change?

The change in momentum (Δp) is equal to the force (F) applied multiplied by the time interval (Δt) during which the force acts. This principle is derived from Newton's second law of motion and is fundamental in physics.

2. How Does the Calculator Work?

The calculator uses the momentum change equation:

Where:

• \( \Delta p \) — Change in momentum (kg·m/s)
• \( F \) — Force applied (N)
• \( \Delta t \) — Time interval (s)

Explanation: The equation shows that the change in an object's momentum depends on both the magnitude of the force and the duration of its application.

3. Importance of Momentum Calculation

Details: Calculating momentum change is essential in understanding collisions, rocket propulsion, sports physics, and many other applications in mechanics.

4. Using the Calculator

Tips: Enter force in newtons (N) and time interval in seconds (s). Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What are the units of momentum change?
A: The standard unit is kilogram-meters per second (kg·m/s).

Q2: How is this related to impulse?
A: Impulse (J) is equal to the change in momentum (Δp), so they share the same units and are numerically equal.

Q3: Can this be used for rotational motion?
A: No, this equation is for linear momentum. For rotational motion, you would use angular momentum formulas.

Q4: What if the force isn't constant?
A: For varying forces, you would need to integrate the force over time to find the total change in momentum.

Q5: How does this relate to conservation of momentum?
A: In a closed system with no external forces, the total momentum remains constant. This calculator shows how external forces change a system's momentum.