Power Formula:
From: | To: |
Definition: This formula calculates mechanical power as the product of force and velocity.
Purpose: It helps determine the rate at which work is done when a force is applied to move an object at a certain velocity.
The formula is:
Where:
Explanation: Power is the rate at which work is done, calculated as force multiplied by the velocity at which the force is applied.
Details: Used in mechanical engineering, physics, vehicle dynamics, and any system where force is applied to moving objects.
Tips: Enter the force in Newtons and velocity in meters per second. Both values must be positive.
Q1: What are the units of power?
A: The SI unit is Watts (W), where 1 W = 1 N·m/s.
Q2: How does this relate to electrical power?
A: Mechanical power (this formula) and electrical power (P=VI) are equivalent concepts in different domains.
Q3: Can I use different units?
A: Yes, but you'll need to convert to consistent SI units (N, m/s) first for accurate results.
Q4: What if velocity is constant?
A: Constant velocity with constant force means constant power output.
Q5: How is this different from P=Work/Time?
A: Both calculate power - this is the instantaneous version while Work/Time gives average power.