Tropism
Tropism is the growth of a plant in a specific direction in response to a stimulus. Tropisms may be positive or […]
Glossary Terms
Turbine
Turbine is the rotary engine in which the kinetic energy of a moving fluid is converted into mechanical energy by
Unbalanced force
Unbalanced force is the force that is not being balanced by a force of equal magnitude and in the opposite
Unstable equilibrium
Unstable equilibrium is a state of equilibrium of a body such that when the body is slightly displaced it departs
Unstable equilibrium Read More »
Upthrust
Upthrust is the upward force that a fluid exerts on a body floating in. It usually applies in fluid pressure.
Useful energy output
Useful energy output is the fraction of energy(input) invested into the machine that is utilised to do the intended work.
Useful energy output Read More »
Velocity
Velocity is the rate of change of displacement with time and it involves the idea of direction. While speed describes
Velocity ratio
Velocity ratio (VR) is the ratio of the distance moved by effort to the distance moved by the load in
Vernier scale
Vernier scale is a small movable scale that slides along a main scale; the small scale is calibrated to indicate
Windmill
Windmill is a generator that extracts usable energy from winds. It is also called a wind power generator
Work
Work is The transfer of energy from one physical system to another expressed as the product of a force and
