1. What is Momentum?

Momentum is a fundamental concept in physics that describes the quantity of motion an object has. It is a vector quantity, meaning it has both magnitude and direction, and is calculated as the product of an object's mass and velocity.

2. How Does the Calculator Work?

The calculator uses the momentum formula:

Where:

• \( p \) — Momentum (kg·m/s)
• \( m \) — Mass (kg)
• \( v \) — Velocity (m/s)

Explanation: The momentum of an object is directly proportional to both its mass and velocity. Doubling either mass or velocity will double the momentum.

3. Importance of Momentum Calculation

Details: Momentum is crucial in understanding collisions, conservation laws, and motion dynamics. It's essential in fields ranging from mechanical engineering to astrophysics.

4. Using the Calculator

Tips: Enter mass in kilograms and velocity in meters per second. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What are the SI units for momentum?
A: The SI unit for momentum is kilogram-meter per second (kg·m/s).

Q2: Is momentum a scalar or vector quantity?
A: Momentum is a vector quantity, meaning it has both magnitude and direction.

Q3: How is momentum conserved in collisions?
A: In a closed system, the total momentum before a collision equals the total momentum after the collision.

Q4: What's the difference between momentum and kinetic energy?
A: Momentum depends on mass and velocity (p = mv), while kinetic energy depends on mass and velocity squared (KE = ½mv²).

Q5: Can momentum be negative?
A: Yes, since momentum is a vector quantity, it can be negative when the direction of motion is opposite to the chosen positive direction.