# Shared Flashcard Set

waterfall work
14
Physics
05/26/2020

## Additional Physics Flashcards

Term
 work 功
Definition
 a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force.
Term
 force 力
Definition
 the influence that produces a change in a physical quantity.
Term
Definition
 A load is something, usually a large quantity or heavy object, which is being carried.
Term
 distance 距离
Definition
 the amount of space between two places or things.
Term
 energy 能量
Definition
 the ability of matter or radiation to work because of its mass, movement, electric charge, etc.
Term
 machine 机械[image][image]
Definition
 a simple device for altering the magnitude or direction of a force.
Term
 simple machine 简单机械[image]
Definition
 any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever.
Term
 lever 杠杆[image]
Definition
 A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force.
Term
 fulc[image]rum 支点
Definition
 The point or support on which a lever pivots.
Term
 wheel axle 转轴[image]
Definition
 A simple machine consisting of an axle to which a wheel is fastened so that torque applied to the wheel winds a rope or chain onto the axle, yielding a mechanical advantage equal to the ratio of the diameter of the wheel to that of the axle.
Term
 pulley 滑轮[image]
Definition
 A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of the pull and thereby lift a load.
Term
 screw 螺丝[image]
Definition
 a device used for fastening materials together, consisting of a threaded and usually tapered shank that has a slotted head by which it may be rotated so as to cut its own thread as it bores through the material
Term
 wedge 楔子
Definition
 A piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering.
Term
 Inclined Plane 斜面[image]
Definition
 A plane set at an angle to the horizontal, especially a simple machine used to raise or lower a load by rolling or sliding.
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