英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

advisableness    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Work (physics) - Wikipedia
    In science, work is the energy transferred to or from an object via the application of force along a displacement In its simplest form, for a constant force aligned with the direction of motion, the work equals the product of the force strength and the distance traveled
  • 9. 1 Work, Power, and the Work–Energy Theorem - Physics | OpenStax
    In physics, the term work has a very specific definition Work is application of force, f f, to move an object over a distance, d, in the direction that the force is applied
  • Definition and Mathematics of Work - The Physics Classroom
    When a force acts upon an object while it is moving, work is said to have been done upon the object by that force Work can be positive work if the force is in the direction of the motion and negative work if it is directed against the motion of the object
  • Work | Definition, Formula, Units | Britannica
    Work, in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement The units in which work is expressed are the same as those for energy
  • Work - Definition, Formula, Types of Work, Sample Problems
    Thus, Work done by the force is equal to the multiplication of magnitude of the force and distance moved by the box in the direction of the force Work is a scalar quantity, which means work has no direction
  • Work - Summary – The Physics Hypertextbook
    Work is done whenever a force causes a displacement When work is done, energy is transferred or transformed The joule is the unit for both work and energy
  • Work - Physics Book
    In physics, it is easiest to think of work as energy produced by a force acting through a specific distance From this definition, it can be seen that work is used in relation to the Energy Principle; therefore, the units of work are Joules (J)
  • Work in Physics: Definition, Formula Examples for Exams
    Work, in physics, is a measure of energy transfer that occurs when an object is moved over a distance by an external force For work to be done, some part of the force must act in the direction of the object’s displacement
  • Physics Study Guide: Equations, Energy, Momentum Work | Notes - Pearson
    Comprehensive physics study guide covering key equations, forces, work, energy, power, momentum, and exam tips for chapters 8–11





中文字典-英文字典  2005-2009