unit 7.3

Questão	Responda
gravity Image: 101715 Essay Opener Free (binary/octet-stream)	gravity:force of attraction between any two objects, for example between the earth and person.
gravitational field Image: Gravfield (binary/octet-stream)	gravitational field:region of space in which an object will experience a force due to gravity.
mass Image: Earth Mass (binary/octet-stream)	mass:the amount of matter in a substance.
weight Image: Weight Clipart 10 Kg Weight Hi (binary/octet-stream)	weight:the force of gravity pulling on an object ; measured in newtons
center of mass Image: C Of M 2 (binary/octet-stream)	center of mass: a point representing the mean position of the matter in the body or system.
non cantact Image: Objects Attracted Towards The Earth (binary/octet-stream)	non contact: The force which acts on an object without coming physically in contact with it is called non-contact.
comparing mass and weight
falling Image: 58 Falling Man (binary/octet-stream)	falling: move from higher to lower level, without control.
terminal velocity Image: 200px Terminal Velocity.Svg (binary/octet-stream)	terminal velocity : The point at which a falling object ceases to accelerate,but falls at constant speed, because its weight is balanced by air.

Resumo de Recurso

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