Elmo Agencies

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to resist changes in a state of motion is inertia.

The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.

This classic device is used to demonstrate the conservation of mechanical energy and its conversion from one form to another.

The Pendulum Wave is made up of a succession of pendulums with increasing durations that, when released all at once, create the illusion of a shifting transverse wave that returns to its original state. This gadget has a hypnotic effect because it has a succession of pendulums with increasing time periods that, when released all at once, generate a wave effect. In this scenario, the wave shrinks in wavelength, then seems highly chaotic before returning to the straight line from which it began. Each pendulum's lengths are connected to the one next to it in such a way that after a given amount of swings, they are back in phase.
Pendulum: a body hanging from a fixed point that swings back and forth under gravity's effect. Pendulums are used to control the movement of clocks because the period, or time interval, for each full oscillation is constant. A pendulum wave is a gadget that consists of a sequence of pendulums with progressively longer periods of time. When these pendulums are released at the same time, they create a transverse wave that keeps shifting and eventually returns to its original position.

A force is a push or a pull that acts upon an object as a results of its interaction with another object. Forces result from interactions! As discussed in Lesson 2, some forces result from contact interactions (normal, frictional, tensional, and applied forces are examples of contact forces) and other forces are the result of action-at-a-distance interactions (gravitational, electrical, and magnetic forces). According to Newton, whenever objects A and B interact with each other, they exert forces upon each other. When you sit in your chair, your body exerts a downward force on the chair and the chair exerts an upward force on your body. There are two forces resulting from this interaction - a force on the chair and a force on your body. These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is:
he statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

A hydraulic press is a machine press using a hydraulic cylinder to generate a compressive force. It uses the hydraulic equivalent of a mechanical lever, and was also known as a Bramah press after the inventor, Joseph Bramah, of England. He invented and was issued a patent on this press in 1795.

A hydraulic press — also known as a Bramah press — is a machine that uses synthetic, water or petroleum-based fluids to move a cylinder for the purpose of generating a compressive force¹. Laboratories use hydraulic presses to prepare samples for analysis

Inclined plane, simple machine consisting of a sloping surface, used for raising heavy bodies. The force required to move an object up the incline is less than the weight being raised, discounting friction. The steeper the slope, or incline, the more nearly the required force approaches the actual weight.

Inclined plane, simple machine consisting of a sloping surface, used for raising heavy bodies. The force required to move an object up the incline is less than the weight being raised, discounting friction. The steeper the slope, or incline, the more nearly the required force approaches the actual weight.

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to resist changes in a state of motion is inertia.

Set for study of rotational movements. Its operation is based on a rotational platform with variable speed control. We put it to turn a body suspended connected to a dynamometer which indicates the force which the body is subjected.

The model, called the kinetic theory of gases, assumes that the molecules are very small relative to the distance between molecules. The molecules are in constant, random motion and frequently collide with each other and with the walls of any container.

An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other.

'g' by Free Fall Apparatus by Lascells. Use in conjunction with an accurate millisecond timer to calculate acceleration due to gravity. The timer starts when the ball bearing is released from the release unit, the base has an integral vibration sensor which stops the clock as the ball bearing hits the impact plate.

Maxwell's wheel is a an axle-mounted flywheel suspended at both ends by a nylon cord. When the wheel is dropped, gravitational potential energy is converted to kinetic energy. The jerk when the wheel reaches the bottom reverses the linear momentum causing the wheel to wind back up.

The kinetic theory of gases explains the three macroscopic properties of a gas in terms of the microscopic nature of atoms and molecules making up the gas. With the help of the kinetic theory of gases, the physical properties of any gas can be defined generally in terms of three measurable macroscopic properties. The pressure, volume and temperature of the container where the gas is stored or present.