matter in motion Flash Cards

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Title: matter in motion
Description: molecular attraction, volume, mass and weight, measuring motion,Newton's laws
Number of Cards: 58
Save Count: 2
Author: philight7
Created: 2001-09-27
Tags: science
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    • Question
    • Answer
    • Side 3
    • Negative acceleration(when an object slows down) is called?
    • deceleration
    • Basic force-multiplying machines are called?
    • simple machine
    • Motion in which the velocity of the moving object does not change.
    • uniform motion
    • Who has been called the greatest physicist of all time?
    • Sir Isaac Newton
    • Anything which occupies space and has substance is called?
    • Matter
    • Motion in which the velocity of the moving object does change.
    • accelerated motion
    • What does the law of universal gravitation state?
    • that a particle of matter in the universe will attract another particle with a force known as gravity.
    • The force that a machine helps us overcome is called?
    • resistance
    • What is done when a force moves an object?
    • work
    • Devices for doing work is called?
    • machines
    • What is the measurement of the pull of gravity upon any object?
    • weight
    • What does the law of conservation of matter state?
    • That matter can be neither created or destroyed.
    • What is the amount of space a substance occupies?
    • volume
    • What is the attraction which allows molecules of a different kind of matter to stick together?
    • adhesion
    • The energy of motion is called?
    • kinetic energy
    • What is the most basic unit of a substance?
    • atom
    • What is the quantity of matter of every object?
    • mass
    • What is the ability to do work called?
    • energy
    • The rate of doing work is called?
    • power
    • The type of acceleration experienced by falling objects.
    • acceleration of gravity
    • What law states that the total mass and energy of the universe always remains the same?
    • law of conservation of mass and energy
    • What law states that energy can be neither created nor destroyed but can only be transformed from one form to another form.
    • law of conservation of energy
    • What term is used to define mass per unit volume of a substance?
    • Density
    • What is the common unit of power in the English system devised by James Watt called?
    • horsepower
    • What does the theory enables us to determine how much energy is equivalent to a given quantity of matter and vice versa?
    • The theory of special relativity
    • What is a change in velocity over a period of time called?
    • acceleration
    • What is the metric unit of work and energy?
    • joule
    • What is the term for the rate of speed an object travels in one direction?
    • Velocity
    • The 3 basic forms of matter are?
    • solids, liquids, and gases
    • The number of times a machine multiplies our effort is called?
    • mechanical advantage (MA)
    • What is the most versatile simple machine?
    • lever
    • The metric unit of force and weight is called?
    • newton
    • What law states that for every action there is an equal and opposite reaction?
    • Newton's third law of motion
    • The pushing or pulling action of one object on another object is called?
    • force
    • The resistance caused by moving one object against another is called?
    • friction
    • The force we apply to a machine is called?
    • effort (E)
    • What is Newton's second law of motion?
    • the accleration of an object is directly related to the strength of he force and inversely related to the object's mass.
    • The number of times a machine multiplies our effort is called?
    • mechanical advantage (MA)
    • What 2 factors determine the strength of gravity?
    • Mass and distance
    • The work put into a machine is called?
    • work input
    • The tendency of matter to stay at rest until force acts upon it.
    • inertia
    • Name the six simple machines:
    • lever, the wheel and axle,the inclined plane, the wedge, and the screw
    • What law states that the work put into a machine is equal to the work received from the machine?
    • law of work
    • The work received from the machine is called?
    • work output
    • The principle of inertia which states that the velocity of an object is not changed unless it is acted upon an outside force is called?
    • first law of motion
    • The end of a first-class lever to which the effort force is applied is called?
    • effort arm
    • The end of a first-class lever which moves the resistance is called?
    • resistance arm
    • What is the pivot point on which the beam rests?
    • fulcrum
    • The 3 types of a pulley are:
    • fixed, movable, and block and tackle
    • What is a simple machine that consists of a rope and a grooved wheel?
    • pulley
    • The only state of matter that has a definite shape and occupies a definite amount of space is?
    • solid
    • What is the force that an object exerts due to its inertia as it resists change in direction?
    • centrifugal force
    • What is centripetal force?
    • The force pulling an object inward toward the center of a curving path.
    • The energy of motion or have potential of motion is called?
    • mechanical energy
    • What is the attraction that allows molescules of the same kind of matter to stick together?
    • cohesion
    • The study of matter and energy is called?
    • Physics
    • What is potential energy?
    • Stored energy that can be released to cause motion.
    • What are atoms made of?
    • molecules