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2
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The action or process of moving or being moved
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3
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An influence tending to change the motion of a body or produce motion or stress in a stationary body. The magnitude of such an influence is often calculated by multiplying the mass of the body by its acceleration
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4
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Machine made of two or more simple machines
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6
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The time-rate of doing work, measured in watts or less frequently horsepower
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7
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The action of friction that slows something moving through air
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8
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A sloping ramp up which heavy loads can be raised by ropes or chains
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10
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The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
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11
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The rate at which someone or something is able to move or operate
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12
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The speed of something in a given direction
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13
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A tendency to do nothing or to remain unchanged
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14
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The SI unit of power, equivalent to one joule per second, corresponds to the power in an electric circuit in which the potential difference is one volt and the current one ampere
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16
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Downward movement under the force of gravity only
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1
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The SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour
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2
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The ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.
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5
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Power derived from the utilization of physical or chemical resources, esp. to provide light and heat or to work machines
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9
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. A rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
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15
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The gradient of a graph at any point
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