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this is the Vocab and Formulas for Physical Science chapters 1-5


how much net force is needed to change a object

law of conservation of momentum

If a group of objects exerts forces only on eachother, their totaly momentum doesnt change


Designed resrictions for products from outside

pilot plant

A smaller version of the real production


Quantity that is specified by both size and direction


the distnace an object travels


The speed of the object and its direction of motoin

sliding friction

The force that acts in the opposite direction

static friction

frictional force that prevents two forces in contact


The measurment of the quantity of an object


the mass per unit volume of a material


An explanation of events based on knowledge


Tests the effect of one thing on another


the standare by which the test results are compared


Gravitational Force exerted on an object


Attractive force between two objects

agricultural biotechnology

A collection of scienific tehniques

scientific method

An organized set of investagation procedures


compares a measurment to the real of accepted value

potnetial energy

Stored energy due to position

air resistance

Opposes the mtion of objects that moves through air

net force

Two or more forces acting on an object at the same time


Change in velocity divided by the time for the change to occur


The direction and distance of an objects final position from its initial position

control systems

a device that monitors a system

centripetal force

Net force exerted toward the center of a curved path


Occurs when what the scientists expect changes in the way the results are viewed

dependent variable

The amount of growth in an experiment


A factor that can express can cause a change in the results of an experiment


The tendency of an object to resist motion


The application of science to help people

independent variable

The variable you change to see how it will affect the dependent variable

scientific law

what happens in nature, seems to be true all the time


the SI energy unit


The ability to do work

balanced force

Forces on an object that are equal in size and opposite direction


a push or pull on an object


Full scale model that is used to test a product

computer simultions

A computer used to imitate a process


Researcher that is responsible for bringing technology

newtons thrid law

To every action, there is an opposite and equal reaction

centripetal acceleration

Acceleration toward the cener of a curved path


A factor that doesnt change when other variables are added

newtons second law

The accleration of an object is in the same direction as the net force


Describes how closley measurments are to each other and how carefully ther were made


Amount of space occupied by an object

conservation of evergy

Energy cannot be created or destroyed

mechanical energy

Potential engery + Kinetic energy

chemical energy

Energy stored in Chemical bonds

elastic potential energy

Energy stored in something that can stretch

kinetic energy, formula

1/2 mv(2) squared

unbalanced force

Forces that do not have equal Net Force

average speed, formula

total distance (divided by) total time

instanteneous speed

your speed at the very instant of time


A group of people that share similar beliefs and values


Visual display of data

newtons first law

Object that are in motion, tend to stay in motion. Objects that are at rest, tend to stay at rest


A possilbe explanation for the problem


Represents an idea or event

volume, formula


average acceleration, formula

Final Velocity - Initial Velocity (divided by) Final time- Initial Time

acceleration, formula

net force (divided by) mass

gravitational potential energy, formula


weight, formula


momentum, formuala


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