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 of the object (kg)
• \( v \) — Velocity of the object (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 a conserved quantity in isolated systems, making it crucial for analyzing collisions and other interactions. It's fundamental in understanding motion, forces, and energy transfer in physical systems.

4. Using the Calculator

Tips: Enter mass in kilograms and velocity in meters per second. Both values must be valid (mass > 0). The result will be displayed in kg·m/s.

5. Frequently Asked Questions (FAQ)

Q1: Is momentum a vector or scalar quantity?
A: Momentum is a vector quantity, meaning it has both magnitude and direction.

Q2: What is the principle of conservation of momentum?
A: In an isolated system, the total momentum before a collision or interaction equals the total momentum after the interaction.

Q3: How does momentum relate to force?
A: Force is equal to the rate of change of momentum (F = Δp/Δt), as described by Newton's second law of motion.

Q4: What's the difference between momentum and kinetic energy?
A: Momentum depends on both mass and velocity, while kinetic energy depends on mass and the square of velocity (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.