# Aerodynamic. able to move through the air with as little air resistance as possible.

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Aerodynamic. air resistance able to move through the air with as little air resistance as possible.

## Presentation on theme: "Aerodynamic. able to move through the air with as little air resistance as possible."— Presentation transcript:

aerodynamic

able to move through the air with as little air resistance as possible.

air resistance

the force of friction on a vehicle as it moves through the air.

axle

a bar or shaft on which a wheel turns.

blueprint

a detailed plan of drawing that shows how something is designed.

constant

a condition that is not changed in a scientific experiment.

cost-effective

able to produce the best results for the least money.

data

information, such as that gathered during an experiment.

drag

force that opposes the forward movement of a vehicle.

dynamics

the part of physics that deals with how things move and the forces that change their motion.

energy

the ability to do work or to make something happen.

force

push or pull.

friction

force that resists movement between two objects that are touching.

gravity

a natural force that draws things toward the earths surface.

inclined plane

a ramp or slanted surface.

inertia

an objects ability to remain at rest or in motion until a force acts upon it.

kinetic energy

energy associated with motion.

laws of motion

three laws, formulated by Sir Isaac Newton, that describe how objects move in relation to the forces acting on them.

lever

a bar or board resting on a support (fulcrum).

mass

the amount of matter an object has.

momentum

the speed or force that a moving object has because of its weight or motion.

potential energy

stored energy that can be released to become other forms of energy.

prototype

an original model or design.

pulley

a grooved wheel with a rope around it.

screw

an inclined plane wound around a cylinder.

simple machine

a machine with few or no moving parts.

speed

a measure of how fast something is moving.

technological design

the process of designing and building products and systems to meet human needs.

tension

the force exerted by a stretched object, such as a spring.

three-view drawing

a diagram, showing top, side, and front views.

variable

an element in an experiment than can be changed.

wedge

two inclined planes put together to form a narrow cutting edge.

weight

a measurement of the force of gravity on an object.

wheel and axle

a simple machine. It consists of asimple machine wheelwheel that turns an axle,axle or an axle that turns a wheel.

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