Slide 1: Forces of Motion: Rockets!
Forces of Motion: Rockets! ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 1
Slide 2: What Makes Things Move?
What Makes Things Move? Who was the first scientist credited with exploring how things move? Galileo studied what makes things move, exploring: Falling objects Gravity Friction Forces http://www.space.gc.ca Galileo Galilei (1564-1642) ©2006 Micron Technology Foundation, Inc. All rights reserved. Mic
Slide 3: What Makes Things Move?
What Makes Things Move? One scientist is known for the three physical laws he discovered. What is his name, and what are his laws called? Newton explained Galileo’s discoveries with his three “Laws of Motion”. Sir Isaac Newton (1642 – 1727) ©2006 Micron Technology Foundation, Inc. All rights reserve
Slide 4: Newton's 1st Law: Law of Inertia
Newton’s 1st Law Law of Inertia “An object at rest tends to stay at rest” “An object in motion will stay in motion at a constant speed in a straight line unless acted on by a force” ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 4
Slide 5: Newton's 2nd Law: Law of Acceleration
Newton’s 2nd Law Law of Acceleration F = ma Force = (mass) x (acceleration) “The more force on an object, the more it accelerates. The more massive an object is, the more it resists acceleration” ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 5
Slide 6: Newton's 2nd Law - Rockets
Newton’s 2nd Law - Rockets Law of Acceleration F = ma a = F/m Acceleration is directly proportional to the Force. Acceleration is inversely proportional to the mass. The more force (thrust) from the rocket engine, the greater the acceleration. The lighter the rocket, the greater its acceleration for
Slide 7: Newton's 3rd Law: Action/Reaction
Newton’s 3rd Law Law of Action/Reaction “When one object exerts a force on a second object, the second object exerts an equal but opposite force on the first object” ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 7
Slide 8: Forces acting on a Rocket
Forces acting on a Rocket Wind Drag Gravity Thrust ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 8
Slide 9: Rockets demonstrate all laws!
Rockets demonstrate all 3 laws! 1st Law: The rocket will stay put until acted on by a force. 2nd Law: The amount of Force needed to accelerate the rocket depends on its mass. 3rd Law: The thrust from the rocket pushes it away from the earth. ©2006 Micron Technology Foundation, Inc. All rights reserv
Slide 10: Forces of Motion: Let's launch Rockets!
Forces of Motion Let’s launch Rockets! ©2006 Micron Technology Foundation, Inc. All rights reserved. Micron Confidential 9/20/2007 10