The general equation invloved in such physical process is: work done = change (increase) of kiic energy Since [work done] = force x displacement now the [force] is gravitational force which is the weight of the object mg (where m is the object mass and g is the acce...
When an object is lifted or projected upward, work must be done against the resistance from gravity. In some situations, the resistance of inertia from accelerating the object and air resistance must be taken into account.If the object is already moving upward at some initial velocity, the ...
11 A body is lifted against gravity.Which equation shows the work done on the body? B A work done = change in distance moved by the body B work done = change in energy of the body C work done = change in force on the body D work done = change in power of the body 相关知识点...
Define work out. work out synonyms, work out pronunciation, work out translation, English dictionary definition of work out. n. 1. a. Physical or mental effort or activity directed toward the production or accomplishment of something: Cleaning the baseme
which is a generalization from experiments on many types of machines, asserts that, during any given time, the work of the forces applied to the machine is equal to the work of the forces resisting the motion of the machine, whether these resisting forces arise from gravity, friction, molecul...
of motion refraction of light maxwell's equation electrostatics bernoulli's principle projectile motion electric charge physics symbols more chemistry periodic table stereochemistry organic compounds inorganic chemistry quantum numbers atomic mass of elements periodic properties of elements 118 elements and their...
Potential energy of a spring. Mechanical energy and its conservation. Collision and its types. What is Work? Work happens when a force makes something move. For example, when a person climbs a mountain, work is being done because they are going against gravity to go up. So, two things ma...
As is known, the environment is able to transmit energy to an element by the action of a force over a distance (mechanical work), which causes the acceleration (or deceleration) of the element; in short, a force is able to change its kinetic energy....
Work is the energy required to move an object against a force. In fact, one definition of energy is the capacity to do work. There are many different kinds of work. Examples include: Electrical work Work against gravity Work against a magnetic field ...
The impacts of environmental ... L Sennerbyforsse - Teknisk Rapport - Projekt Energiskogsodling (Sweden) 被引量: 16发表: 1983年 Flexural waves in drill﹕tring tubulars with variable loads We obtain the dispersion equation, including attenuation due to a gravity pre-stress gradient and frequency...