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Magnitude of Change in Momentum Formula:
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The magnitude of change in momentum formula calculates the difference in momentum of an object before and after a force acts upon it. Momentum is a vector quantity that depends on both mass and velocity, and its change represents the impulse applied to the object.
The calculator uses the momentum change formula:
Where:
Explanation: This formula calculates the magnitude of momentum change by multiplying the object's mass by the difference between its final and initial velocities.
Details: Calculating momentum change is fundamental in physics for understanding collisions, explosions, and any situation where forces act over time. It's directly related to impulse and helps analyze the effects of forces on moving objects.
Tips: Enter mass in kilograms, initial and final velocities in meters per second. Ensure all values are entered with correct signs (positive/negative) to account for direction.
Q1: What is the unit of momentum change?
A: The unit is kilogram-meter per second (kg·m/s), which is the same as the unit for momentum.
Q2: How is momentum change related to impulse?
A: The change in momentum equals the impulse applied to the object (J = Δp = F × Δt).
Q3: Can momentum change be negative?
A: Yes, if the final velocity is less than the initial velocity, the momentum change will be negative, indicating a decrease in momentum.
Q4: What happens to momentum in a closed system?
A: In a closed system with no external forces, total momentum is conserved, though individual objects may experience momentum changes.
Q5: How does mass affect momentum change?
A: For the same velocity change, heavier objects experience greater momentum changes due to their larger mass.