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| gravity, nuclear weak force, electromagnetic force, nuclear strong force |
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Term
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| 1916, Accepted explanation of gravity as property of space and time, Einstein |
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| Special Theory of Relativity |
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Definition
- 1905, law of physics are the same for all observers in uniform motion relative to one another, Principle of Relativity
- Speed of light in a vaccuum is the same for all observers relative motion
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| Strength is proportional to the square of the distance between two objects |
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- P=MV
- Momentum = mass times velocity
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| Total momentum in a closed system is constant |
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- Force that pulls an object towards center
- (Mass*Velocity^2)/radius
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Definition
| Opposite of centripetal force |
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| When an object ceases to accelerate downward due to wind resistance but moving at constant speed |
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- Force of pressure is dependent upon the depth and density of the fluid and the acceleration of gravity
- P=pgh
- P=Static fluid pressure,p=fluid density, (mass / volume), g is acceleration of gravity, h is depth of fluid
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Term
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Definition
- Torque = force * lever arm
- Level arm is perpendicular distance from axis of rotatioin
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Definition
| Law of Inertia, body in motion stays in motion unless another force acts upon it |
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| For every force there is an equal and opposite force |
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| Plane, level, wheel, axle, and pulley |
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| occurs when there is no relative motionm between surfaces |
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Definition
- A buoyant force on an submerged object is equal to the weight of the liquid displaced
- Mass - Mass When Submerged = Density of Water * Volume of Object
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Definition
| When the velocity of a gas or liquid is increased, pressure is decreased |
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Definition
| Electric Charge is measured with this unit |
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Term
| Plastic Rod & Fur Vs Glass Rod & Silk |
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Definition
| Plastic Rod becomes negative, Glass Rod becomes positive |
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Definition
- Energy of an object in motion
- KE = 1/2mv^2
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Definition
- Energy capacity for doing where based on position
- PE=mgh
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