Thursday, April 9, 2015 Do Now: Greg is interested in building a rocket that will fly vertically the greatest distance. After research, he determines that the fins of the rocket have the greatest affect on altitude, but is unsure what shape is best. Identify the following elements of a proposed science experiment he could design to answer his question: – Question – Variables – Type of Graph?

Today’s Goals: Forces and Motion Review BINGO! We will stop occasionally to elaborate/expand/practice and discuss Winner (s) get a prize!

Words: Acceleration Force Newton’s First Law Newton’s Second Law Newton’s Third Law Velocity Friction Speed Speed-time graph Distance-time graph Gravity Unbalanced forces Balanced forces Net force F=ma Distance/time Motion Inertia Reference point Momentum Centripetal force Displacement Newtons Deceleration

Here We Go!

A push or a pull

Shows the change in an object’s location from its reference point over a period of time.

PAUSE and PRACTICE!

Unequal push or pull applied to an object that results in motion

The direction and speed of an object with motion

The combined amount of force acting on an object

PAUSE and PRACTICE!

An opposing force that acts to slow objects in motion, stop objects in motion or prevent motion

An object’s point of origin (where it starts) before motion; the ZERO on a distance-time graph

A graph that illustrates how fast/slow an object is moving over a period of time

PAUSE and PRACTICE!

Law of motion: there is a relationship between force, mass and acceleration; F=ma; the amount of force required to move an object increases as the mass of the object increases; the acceleration of an object decreases as its mass increases

Law of motion: for every action, there is an equal and opposite reaction

The natural tendency for an object to resist a change in motion

The formula for calculating speed

PAUSE and PRACTICE!

The amount of force required to make an object move or to stop an object in motion

The force that causes an object to follow a circular path

The change in an object’s velocity over a given period of time

PAUSE and PRACTICE! What is the car’s acceleration?

the equal amount of applied force and opposing force acting on an object that results in no motion

Law of motion: an object in motion, stays in motion and an object at rest stays at rest, UNLESS acted upon by an outside force

The formula used to calculate force; shows the relationship between force, mass and acceleration

PAUSE and PRACTICE!

The force of attraction between objects; pulls them together; increases as distance decreases; increases as mass increases

Negative acceleration; object’s speed is decreasing

How fast or slow an object is changing location over a given period of time (movement)

PAUSE and PRACTICE! 1.What is the Red runner’s average speed? 2.Which runner is slower?

The movement of an object; object changes location

How far an object moves away from its original location; NOT = distance traveled

The standard unit of measurement for force

Force Acceleration Newton’s 1 st Law VelocityF=ma FrictionMotionInertia Speed-time graph Newton’s 2 nd Law Deceleration Unbalanced forces FREE Reference point Net force Newtons Centripetal force SpeedGravity Balanced forces Momentum Displacement Newton’s 3 rd Law Distance- time graph Distance time

motion deceleration Newton’s 3rd Law Distance time gravity FrictionF=maforce Speed-time graph Newton’s 1st Law acceleration Unbalanced forces FREE displacement Net force Newtons Balanced forces SpeedinertiaVelocity Momentum Reference point Newton’s 2nd Law Distance- time graph Centripetal force

VelocityDistance- time graph Net force Distance time Newtons Speed-time graph Newton’s 2 nd Law Centripetal Force F=ma Newton’s 1st Law acceleration Unbalanced forces FREE displacement Balanced forces inertia Newton’s 3rd Law Speedmomentummotion gravity Reference point deceleration Frictionforce

Newton’s 1st Law Net force displacement Speed Balanced forces momentumNewtonsmotion Distance- time graph Friction Unbalanced forces FREE Reference point Speed-time graph Distance time deceleration Centripetal Force Newton’s 2 nd Law F=ma gravityInertia Newton’s 3rd Law acceleration velocity

Distance- time graph gravityInertia displacementdeceleration Balanced forces SpeedvelocityNewtons Unbalanced forces Reference point ForceFREEFriction Distance time Speed-time graph F=ma Momentum Newton’s 1 st Law Centripetal Force Newton’s 2nd Law Net Force Newton’s 3rd Law acceleration motion

Newton’s 3 rd Law Centripetal Force InertiamomentumFriction Distance time NewtonsNet Force Newton’s 2 nd Law Balanced forces Distance- time graph ForceFREE deceleration Reference point Acceleration gravity F=maSpeed Displacement Unbalanced Forcces Motion Newton’s 1 st Law Speed-time graph velocity