We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byEfrain Dowers
Modified about 1 year ago
1. A box at rest on a level table. Weight Normal BalancedUNbalanced
2. A box being dragged to the right at a constant speed on a level surface. Weight Normal BalancedUNbalanced Pull Drag
3. A crate accelerated to the right on a level surface. Weight Normal BalancedUNbalanced Pull Drag
4. A box moving to the right on a level surface and sliding to a stop. Weight Normal BalancedUNbalanced Pull Drag
4. A box moving to the right on a level surface and sliding to a stop. Weight Normal BalancedUNbalanced Drag OR
5. A box at rest on an incline. UNbalancedBalanced Weight Normal Friction Wt acting down incline (Wt ) Wt acting against incline (Wt )
6. A box sliding down an incline at 2 m/s. UNbalancedBalanced Weight Normal Friction (Wt )
UNbalancedBalanced 7. A rock free falling off the side of a cliff. Weight Air Drag
UNbalancedBalanced 8. A hovering helicopter. Weight Lift
UNbalancedBalanced 9. A helicopter accelerating upward. Weight Lift
UNbalancedBalanced 10. A helicopter accelerating downward. Weight Lift
UNbalancedBalanced 11. An airplane in level flight moving forward at 400 km/hr. Weight Lift Drag Thrust
UNbalancedBalanced 12. An airplane in level flight and speeding up. Weight Lift Thrust Drag
UNbalancedBalanced 13. An airplane climbing at a constant speed. Weight Thrust Air Drag
UNbalancedBalanced 14. A large box being pushed against a vertical wall. Box PUSHED up against wall Wall PUSHING back on box Weight Normal FLOOR WALL
UNbalancedBalanced 15. A person standing in an elevator that is not moving. WeightFloor pushing up
UNbalancedBalanced 16. A person moving upward in an elevator at a constant speed. WeightFloor pushing up
UNbalancedBalanced 17. A person accelerating upward in an elevator. Weight Floor pushing up
UNbalancedBalanced 18. A person moving downward in an elevator at a constant speed. WeightFloor pushing up
UNbalancedBalanced 19. A person moving upward in an elevator that is slowing down to a stop. Floor pushing up Weight
UNbalancedBalanced 20. A satellite that is orbiting the earth at a constant speed. Weight
Laws of Motion Review. Vocabulary Acceleration Equilibrium Force Inertia Kinetic Friction Mass Motion Net Force Newton Static Friction Terminal Velocity.
QOD#48 What does each line represent? A – B – C – D – Time Distance Acceleration (speeding up) A B C D deceleration (slowing down) Stopped – no motion.
Example Problems for Newton’s Second Law Answers 1. What force must act on a 50.0-kg mass to give it an acceleration of 0.30 m/s 2 ? F = m a = ( 50.0 kg.
Forces Types of Forces Effects of Forces Gravity, Mass and Weight Newton’s Laws Freefall.
A) Kinetic friction: f k – friction force N – normal force – coefficient of kinetic friction b) Static friction: - coefficient of static friction 4. Friction.
Newton’s 2 nd Law. Force on Object Objects acted on by a net unbalanced force will accelerate in the direction of the force This means they will speed.
Unit 3 Newton’s Laws of Motion. Aristotle vs Galileo What enables an object to move? Galileo…What enables an object to continue moving? Force = Net force.
Force Scenario Solutions Joe Cox Brookwood High School.
Forces and Newton’s Laws. Force A force is what we call a push, or a pull, or any action that has the ability to change motion. There are two units of.
Unit 2 1D Vectors & Newton’s Laws of Motion. A. Vectors and Scalars.
Newton’s Third Law For every action there is an equal and opposite reaction.
Chapter 4 The Laws of Motion Phy 2053 Conceptual Questions Phy 2053 Conceptual Questions.
Forces Newton’s Second Law. States that the greater the force applied, the greater the acceleration and the greater the mass the less the acceleration.
You push a large crate with a force of 125 N. It accelerates at a rate of 5 m/s/s. What is the mass of the crate?
Rockets and Satellites. How Do Rockets Lift Off? Rockets and space shuttles lift into space using Newton’s third law of motion.
Forces Mass, Weight, and Friction. Weight Weight: force of gravity on an object - on Earth your weight is a direct measure of the planet’s force pulling.
© 2012 Pearson Education, Inc. Q4.1 v Motor Cable Elevator An elevator is being lifted at a constant speed by a steel cable attached to an electric motor.
Forces Quiz: Clicker Review – Practice MC. W_L_E_ 1. Y E K 2. F Y A 3. G B I 4. O V S.
Newton’s Second Law: Force and Acceleration 8SCIENCE.
Chapter 7 Work and Energy. 6-3 Gravity Near the Earth’s Surface; Geophysical Applications Example 6-5: Effect of Earth’s rotation on g. Assuming the Earth.
A Force Caused by Gravity. If we apply Newton’s 2 nd Law to objects accelerating due to gravity F G = mg F G – force of gravity, commonly called.
FORCES AND MOTION. FORCE A force is any push or pull from one object to another.
Lecture 14 Monday, September 29 Using Newton’s Laws.
332 - Unit 2 1D Vectors & Newton’s Laws of Motion.
Newton’s first law states that if the net force acting on an object is zero, the object remains at rest, or if the object is already moving, continues.
Consider a ball at rest in the middle of a wagon. When the wagon is pulled forward the ball begins to roll against the back of the wagon. Interpret this.
Free Body Diagrams. FBD Word Problems Analyze the following situations and construct free body diagrams for each. From your diagrams,
Acceleration Coefficient of Friction Equilibrium Force Free Body Diagram Inertia Kinetic Friction Mass Motion Net Force Newton
CHAPTER 3: FORCES. SECTION 1 (PART 1) - Introduction to Forces and Newton’s 2 nd Law Of Motion.
1. What is the weight of a 3.40 kg mass? 33.4 N. 2. What mass has a weight of 720. N? 73.4 kg.
Someone of mass 100 kg is standing on top of a vertical cliff with only an old rope that he knows will support no more than 500 N. His plan is to slide.
Guided Discussion Student notes are shown in blue.
Inertia or Weight? Newton’s 1 st & 2 nd Laws Name that Force Newton’s 3 rd Law
More on Newton’s 3 rd Law. Conceptual Example: What exerts the force to move a car? Response: A common answer is that the engine makes the car move forward.
Newton's First Law of Motion An object will remain at rest or move in a straight line at a constant speed if there are no forces acting on it. = Uniform.
What is Newton’s Third Law Describes what happens when one object exerts a force on another object. Forces always act in equal but opposite pairs.
Mechanics Unit 5: Motion and Forces 5.5 Mechanical Equilibrium...
FORCES FOUNDATIONS OF PHYSICS. FORCE Interaction between objects Usually a push or a pull Classified as either contact forces or field forces Contact.
What is a Force? A force is a push or a pull causing a change in velocity or causing deformation.
MOTION Lesson 1: What Factors Affect Motion? Lesson 2: What Are the Laws of Motion?
Friction Friction is a force that opposes the motion, or tendency of motion, of an object. Friction is primarily caused by the chemical bonding of molecules.
More on Newton’s 3 rd Law. Conceptual Example 4-4: What exerts the force to move a car? Response: A common answer is that the engine makes the car move.
Physics 11 Advanced Mr. Jean April 2 nd, The plan: Video clip of the day Forces & Acceleration Applied 2d forces.
By: Ava and Audrey. Thrust Thrust is forward motion. The airplane’s engine’s produce thrust. It is one of the forces that the airplane needs to fly. It.
Force (Weight) (Tension) Friction Force MIDTERM on 10/06/10 7:15 to 9:15 pm Bentley 236 2008 midterm posted for practice. Help sessions Mo, Tu 6-9.
Write down everything you know about force. Things you may want to include: ◦ Definition ◦ Formula ◦ SI Units ◦ Examples.
Physics Unit 1 Force. Force – push or pull A force always acts in a certain direction ex. if you push something, the force is in the direction of the.
Lecture 9: Forces & Laws of Motion. Questions of Yesterday You must apply a force F to push your physics book across your desk at a constant velocity.
Advanced Problems 2 These problems will contain: 1. Basic concepts of force and motion. 2. Usage of Newton’s laws of motion. 3. The concept of net force.
© 2017 SlidePlayer.com Inc. All rights reserved.