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 equation:

Where:

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

Explanation: The equation shows that momentum is directly proportional to both 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 in physics. It's used in engineering, sports science, and vehicle safety design.

4. Using the Calculator

Tips: Enter mass in kilograms and velocity in meters per second. Both values must be positive numbers. The result will be 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: How is momentum conserved in collisions?
A: In an isolated system, the total momentum before a collision equals the total momentum after the collision.

Q3: What's the difference between momentum and kinetic energy?
A: Momentum depends on mass and velocity (p = m×v), while kinetic energy depends on mass and velocity squared (KE = ½mv²).

Q4: Can momentum be negative?
A: Yes, since momentum is a vector, it can be negative when the direction of motion is opposite to the chosen positive direction.

Q5: How does impulse relate to momentum?
A: Impulse is the change in momentum and is equal to force multiplied by time (J = F×Δt = Δp).