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is a quantity that measures the effects of a force acting over a distance |
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is a quantity that measures the rate at which work is done |
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measures how much a machine multiplies force or distance |
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power is calculated by deviding work by |
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Horsepower is the common unit of power in rating engines.However, the official SI unit of power is the |
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All levers have a rigid arm that turns around a point |
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defined as a machine made up of more than one simple machine |
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is an inclined plane wrapped around a cylinder |
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defined as the ability to do work |
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the formula for calculating energy can be written as |
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stored energy resulting from the relative positions of objects in a system |
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energy of a moving object due to its motion |
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The sum of the kinetic and potential energy of large-scale object objects in a system is called |
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measures the ratio of useful work output to work input |
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is being done only when force causes a change in the motion of an object in the direction of the applied force |
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Work is calculated by multiplying..... |
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What is the SI unit for work? |
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The SI unit for power is... |
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the equation for measuring power is work/time |
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Simple machine are divided into two familys inwhich they are categorized |
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wedge,screw,levor,wheel&axel,pully,inclined plane |
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helps us do work by making it easier |
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A simple machine that consist of rigid object and a fulcrum is called |
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multiplies pulleys are sometimes put together in a single unit called a |
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the steering wheel of a car is an exmaple of what kind of simple of simple machines? |
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a wheelchair ramp is an example of an ... |
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is a modified inclined plane |
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an ex blade is an example of |
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a spiral staircase describes what time simple macine? |
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combines two or more simple machine |
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what does the law of conservation of energy state? |
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energy cannot be created or destroyed |
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list the two types of energy. |
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energy of position is known as |
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energy in motion is called |
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list four forms of energy |
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electrical, thermal, machanical,magnetic |
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The SI unit for measuring energy is |
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Another name for thermal energy |
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Energy stored in the nucleus of an atom is |
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Radiant energy is also called |
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