Physics
Grade-6
Easy
Question
m in the potential energy represents ______.
- Time
- Mass
- Velocity
- Speed
Hint:
P.E. = mgh, Potential energy is an object has because of its position relative to some other object
The correct answer is: Mass
- Potential energy is an object has because of its position relative to some other object. When you stand at the top of a stairwell you have more potential energy than when you are at the bottom, because the earth can pull you down through the force of gravity, doing work in the process.
- P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters
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