The General Physics ClipArt gallery offers 239 images showing principles of the science and proof of theorems. Physics is the science of basic concepts such as energy and force.

### Magdeburg Hemispheres

Magdeburg Hemispheres. This model is used to show that atmospheric pressure is equal in all directions.…

### Hydromechanics

Velocity of efflux. The area of the bottom of the vessel is a and the area of the top of the vessel…

### Hydromechanics

When the diameter of a tube is narrower in one part when compared to the other parts (a and b), then…

### Hydromechanics

The water in this example is subjected to the same laws as a projectile. The range can be calculated…

### Hydrometer

A hydrometer of constant weight. This device measures the specific gravity of liquids. The specific…

### Nicholson's Hydrometer

A hollow cylinder carrying a basket at its lower end, which is heavy enough to keep the apparatus upright…

### Increased Velocity

"The principle of increased velocity as bodies descend from a height, is curiously illustrated by pouring…

### Inertia Demonstration

"While his horse is going at full speed, he jumps over a rope extended across the ring, and regains…

### Inertia Demonstration

"... a thin stick resting on two wine glasses may be broken by a quick blow with a poker in its centre…

### Inertia Demonstration

"So a hare, in making for cover, often escapes a hound by making a number of quick turns. The greater…

### Inertia Demonstration

"... balance a card with a penny placed upon it on the tip of one of the fingers of the left hand, and…

### Inertia Demonstration

"On the top of a short pillar is placed a card, and on the card a brass ball. Beside the pillar is fixed…

### Eddy Tailless Kite

The Eddy Tailless Kite (named so after its inventor, Eddy of Bayonne), is a tailless kite. The convex…

### Java Kite

The tailless java kite resemble the kite used by Eddy of Bayonne, N.J. in 1890. This kite is tailess.

### Kravogl's Air-pump

A machine designed to suppress the dead space which limits the efficiency of ordinary air-pumps.

### Pascal's Law

An image summarizing Pascal's law, which states that pressure of a liquid is equal in all directions…

### Second Law

An illustration of what it would look like if ball e that is placed in a cup attached to lever o were…

### Levelling

Leveling is an operation in which the object is to determine to difference of vertical height between…

### Weight Lifter

An old fashioned weight lifter. A is a plug s the air stays compressed. B is the rod portion of a piston.

### Light Intensity

"The radiation of light, or the intensity of light is inversely proportional to the square of the distance…

### Vessels in Communication

This apparatus illustrates the principle stating that liquids tend to find their own level.

### Liquids of Varying Densities

Liquids of varying densities. Illustration of an unsuccessful scheme for a perpetual-motion device.

### Atwood Machine

"The Atwood machine consists of a wheel or pulley, R, over the grooved edge of which are balanced two…

### Magdeburg Hemisphere

Two hemispheres which can be exactly fitted on each other; their exact adjustment is further assisted…

### Magdeburg Hemispheres

"By means of the two hemispheres, it can be proved that the atmosphere presses upon a body equally in…

### Magdeburg Hemispheres

"Grease the edges to make more sure of a tight joint, fit the hemispheres to each other, and exhaust…

### Magnetic Attraction

Magnetic attraction on inclined plane. Illustration of an unsuccessful scheme for a perpetual-motion…

### Magnetic Pendulum

Magnetic pendulum, rotating field principle. Illustration of an unsuccessful scheme for a perpetual-motion…

### Manometric Flame Apparatus

Koenig's manometric flame apparatus was a laboratory instrument invented in 1862 by the German physicist…

### Mariotte's Bottle

This is an apparatus employed to obtain a uniform flow of water. The device provides a constant pressure…

### Elementary Mechanics

Example of the parallelogram of force, or the application of two forces on an object.

### Elementary Mechanics

Friction is the tendency of a body to resist movement when it is being moved on a surface. The coefficient…

### Gas Membranes

Passage of gases through membranes.

### Mixture of Gases

When gases of different densities are inclosed in the same space an intimate mixture takes place, so…

### Projectile Motion

"Device used to prove that all things fall at the same rate due to gravity. When the device is triggered,…

### Isaac Newton Discovering Gravity

An illustration of Sir Isaac Newton sitting on the ground being hit by an apple falling out of a tree…

### Ocean Wave

Waves are swimming motions of the water, caused by the action of the wind. Their height and velocity…

### Liquid Osmosis

Osmosis of liquids.

### Overbalancing Wheel

Overbalancing wheel, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion…

### Pendulum

"A pendulum has a strong tendency to maintain its plane of oscillation, a fact that has been used in…

### Pendulum

"A pendulum consists of a heavy ball suspended in such a way as to swing to and fro." —Quackenbos…

### Ballistic Pendulum

"From a cross piece, A, on a stout framework, a heavy block of wood, B, is suspended, in such a way…

### Motion of a Pendulum

"When the pendulum is drawn from its vertical position, the force of gravity, MG, is resolved into two…

### Path of a pendulum

"When the pendulum hands at rest in a vertical position, as Pa, it has no energy at all. Considered…

### Torsional Pendulum

"Firmly fasten one end of a piece of spring-brass wire, about No. 27 and about 1 m. long so that the…

### Line of pendulums

"An apparatus devised by Mach for the illustration of the pendular motions of the particles of a medium…

### Phial of the Four Elements

Mercury, water, and oil are poured into a glass jar. The mercury goes to the bottom, the oil floats…

### Physics demonstration

A device used for demonstrating the elastic properties of materials.

### Delivery Pipe

The part of the pipe that is above the highest piston travel point is the delivery pipe and the part…

### Pipette

A pipette is a laboratory instrument used for transporting a volume of liquid. If one end is closed…

### Pneumatics

Tension is the force which a gas always exerts when confined to a limited space. In the example, a partially…

### Pneumatics

A barometer is a device used to measure the pressure of the atmosphere. A mercurial barometer, picture…

### Pneumatics

An aneroid barometer. This device is used to measure atmospheric pressure.

### Polygon of Forces

"In the apparatus shown... three forces act on a small body and are allowed to assume a position of…

### Pressure

A baroscope, which is a version of the barometer. It measures atmospheric pressure.

### Experimental Verification of Principle of Archimedes

An experimental verification of the Principle of Archimedes.

### Archimedes Principle

An illustration of Archimedes Principle. "If a body is immersed in a fluid, it will lose in weight an…

### Projectile Motion of a Cannonball

"Suppose a cannon be loaded with a ball, and placed on top of a tower, at such a height from the ground,…

### Projectile Motion of a Stone

"[This illustration] shows the path of a stone thrown obliquely from the hand. The propelling force…

### Projectile Motion of a Cannon Ball

"Thus, we have a cannon planted on a towwer at such a height that it would take four seconds for a ball…