- "In physical sciences, mechanical energy is the sum of potential energy and kinetic energy."
The energy associated with the motion and position of an object.
Energy: The capability of doing work is defined as energy. It is a measure of the ability of a system to do work.
Kinetic Energy: The energy that an object has as a result of its motion is known as kinetic energy.
Potential Energy: The energy that is stored in an object due to its position or state of stress is known as potential energy.
Work: A form of energy that is transferred when a force is applied to an object and it is moved as a result is known as work.
Power: The rate at which work is done or energy is transferred is known as power.
Conservation of Energy: The principle that energy can neither be created nor destroyed, but only converted from one form to another is known as the conservation of energy.
Mechanical Energy: The sum of an object's kinetic and potential energy is known as its mechanical energy.
Friction: The force that opposes motion between two surfaces in contact is known as friction.
Elasticity: The property of a material that enables it to spring back to its original shape after being stretched or compressed is known as elasticity.
Hooke's Law: A law that states that the extension of a spring is proportional to the force applied to it is known as Hooke's law.
Simple Machines: Devices that can be used to make work easier by changing the direction or magnitude of force applied to them is known as the simple machine.
Efficiency: The ratio of useful work output to the total energy input is known as efficiency.
Bernoulli's Principle: A law that states that the pressure of a fluid decreases as its velocity increases is known as Bernoulli's principle.
Torque: The tendency of a force to rotate an object around an axis is known as torque.
Moment of Inertia: The measure of an object's resistance to rotational motion is known as its moment of inertia.
Center of Mass: The point where the entire mass of a body is assumed to be concentrated is known as its center of mass.
Conservation of Momentum: The principle that the total momentum of a closed system remains constant is known as the conservation of momentum.
Kinetic Energy: This is the energy an object possesses due to its motion.
Potential Energy: This is the energy stored in an object due to its position or shape. It can be further divided into:.
Thermal Energy: The energy possessed by an object due to its temperature.
Sound Energy: The energy carried by sound waves as they travel through a medium.
Electrical Energy: The energy resulting from the movement of electric charges.
Chemical Energy: The energy stored in the bonds between atoms and molecules.
Nuclear Energy: The energy released during nuclear reactions, such as fission or fusion.
Light Energy: The energy carried by electromagnetic waves, including visible light, ultraviolet light, and infrared radiation.
Magnetic Energy: The energy possessed by magnetic fields.
Radiant Energy: Energy that is emitted or transmitted in the form of radiation, such as heat or light.
Mechanical Energy: The total energy of an object or system due to its motion and position.
- "The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is constant."
- "If an object moves in the opposite direction of a conservative net force, the potential energy will increase."
- "If the speed (not the velocity) of the object changes, the kinetic energy of the object also changes."
- "In all real systems, however, nonconservative forces, such as frictional forces, will be present, but if they are of negligible magnitude, the mechanical energy changes little and its conservation is a useful approximation."
- "In elastic collisions, the kinetic energy is conserved."
- "In inelastic collisions, some mechanical energy may be converted into thermal energy."
- "The equivalence between lost mechanical energy and an increase in temperature was discovered by James Prescott Joule."
- "Many devices are used to convert mechanical energy to or from other forms of energy, e.g. an electric motor converts electrical energy to mechanical energy, an electric generator converts mechanical energy into electrical energy and a heat engine converts heat to mechanical energy."
- "In physical sciences, mechanical energy is the sum of potential energy and kinetic energy."
- "The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is constant."
- "If an object moves in the opposite direction of a conservative net force, the potential energy will increase."
- "If the speed (not the velocity) of the object changes, the kinetic energy of the object also changes."
- "In all real systems, however, nonconservative forces, such as frictional forces, will be present, but if they are of negligible magnitude, the mechanical energy changes little and its conservation is a useful approximation."
- "In elastic collisions, the kinetic energy is conserved."
- "In inelastic collisions, some mechanical energy may be converted into thermal energy."
- "The equivalence between lost mechanical energy and an increase in temperature was discovered by James Prescott Joule."
- "An electric motor converts electrical energy to mechanical energy."
- "An electric generator converts mechanical energy into electrical energy."
- "A heat engine converts heat to mechanical energy."