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What causes motion?
Sir Issac Newton Developed laws of motion by age 24.
Newtons 1 st Law of Motion Law of Inertia A body at rest, stays at rest; a body in motion stays in motion until an outside force acts upon it.
Inertia Tendency of an object at rest to stay at rest, or an object in motion to stay in motion.
Inertia All objects resist changes in motion. All objects have mass, therefore they have inertia. An object with a small mass can be accelerated with a small force. Mass is a measure of inertia.
Newtons 2 nd Law of Motion The acceleration of an object is directly proportional to the force acted upon the object and inversely proportional to the mass of the object.
Newtons 2 nd Law of Motion If the Force increases, the acceleration of the object increases. If the mass is increased, the acceleration of the object decreases. a=F/m
What is the acceleration of a 132 kg object being moved with a 268 N force? m=132 kg F=268 N a=F/m a=268 N/132 kg a=2.03 m/s 2
Weight Force of gravity on an object Mass X Gravity (freefall acceleration) W = mg
What is the weight of Mark on Earth if his mass is 72-kg? m=72 kg a=9.8 m/s 2 W=mg W= (72 kg)(9.8 m/s 2 ) W=710 N
Newtons 3 rd Law of Motion For every action, there is an equal and opposite reaction. Law of Action and Reaction
Action-Reaction Forces always occur in pairs. Whenever a force is exerted, another force occurs that is equal in size an opposite in direction.
FORCE Mr. Skirbst Physical Science Topic 04. What is force?
NEWTONS LAWS OF MOTION Beta Science Mr. McMartin.
Newtons First Law – Inertia An object at rest will stay at rest, and an object in motion will stay in motion, unless acted upon by an outside force.
Inertia – A property of mass. It is the tendency of an object to resist changes in motion. Force – A push or a pull.
Chapter 3 Force, Mass and Acceleration Newton’s Laws.
Laws of Motion. Newton s First Law an object at rest remains at rest and an object in motion maintains its velocity (stays in motion) unless it experiences.
FORCE AND MOTION Mrs. Hicks Science 6 th Grade. The force that results from two surfaces rubbing against one another. VOCABULARY: ACCELERATION EQUILIBRIUM.
Sir Isaac Newton ( ) an English scientist and mathematician famous for his discovery of the law of gravity also discovered the three laws of.
Chapter 2.3 & 3 Force, Mass and Acceleration Newton’s Laws.
Chp 3 Newtons Laws of Motion. Force A force is a push or a pull or any action that has the ability to change motion. An object DOES NOT have to move when.
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Air Pressure, Forces, and Motion Meteorology 101 Dr. Robert M MacKay.
St Law 2 nd Law3 rd Law ForcesMisc.
Describing Motion Newtons Laws. First we need to define the word FORCE: The cause of motion (what causes objects to move) Two types of forces –Pushes.
Sir Isaac Newton 1642 – 1727 Laws of Motion Potential Energy stored energy Kinetic Energy Energy in motion.
Forces Standard: S8P3 b. Demonstrate the effect of balanced and unbalanced forces on an object in terms of gravity, inertia, and friction.
Motion- a change in position, measured by distance and time. When motion is changed it is called applied force. Force- an external agent that causes the.
Forces & Motion Applied Physics and Chemistry Force Lecture 1
المحاضرة السابعة The Laws of Motion Chapter The Concept of Force The body is moving, When it change its position during a limited time.
Physics Force. What is force? –Any push or pull that tends to cause a change in motion –measured in Newtons (N) or pounds (lbs) 1 N = lbs –examples.
2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt IN THE THIRD PLACE WORKING ON IMPULSE.
Newtons Laws of Motion Forces. Newtons First Law of Motion What happens to a ball rolling along the ground? What happens to a ball rolling along the ground?
Newton’s Law #1: An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed.
Aim: What are Newtons 1 st and 3 rd Laws of Motion? Do Now: What is the weight of the box? m = 20 kg F g = mg F g = (20 kg)(9.8 m/s 2 ) F g = 196 N.
May the Force Be With You!. What is FORCE? A push or pull on an object Causing resting objects to move Causing moving objects to accelerate.
DYNAMICS The study of why objects move or dont move.
Chapter 12 - Forces 1- Newtons First and Second Laws 2- Gravity 3 - Newtons Third Law.
Chapter 5 by Robert MacKay. Newtons Law of Action Reaction (3rd Law) You can not touch without being touched For every action force there is and equal.
What is Matter? Chapter 2 Section 1. Matter What do all of these objects have in common? These objects all have volume and mass. Matter - is anything.
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