+ Magnetic Field R ET-F.R d ... · Current adapted fromWikinede commons User Starnered Topic 2 - Mechanics I HAVE SO MUCH POTENTIAL off the mark by Mark Parisi www.offthemark.com WELL, THAT'S PRETTY CONCLUSIVE. 182 CARTS HIT THE CORVETTE, II HIT THE PINTO, AND I WENT STRAIGHT UP THE MIDDLE. KINEMATICS PROBLEM www.offthemark.com ATLANTIC FEATURE <4986 NAK.MAIS HOW DO YOU LIKE MY CENTRIFUG MISTER BOND? WHEN I THROW T LEVER, YOU WILL FEEL CENTRIFUG FORCE CRUSH EVERY BONE IN YOUR BODY. 1 - FT = CHANGE IN MOMENTUM F+ = CHANGE IN MOMENTI McHUMOR. COM by T. Mccracken Having gone up and refused to come down, I hereby find you in violation of the law. 0 FIRST PHYSICS LAW OF CARTOONS "Good morning, and welcome to The Wonders of Physics." GRAVITY WILL NOT WORK TILL YOU LOOK DOWN. PHYSICS COURT Two hundred years before Newton, Columbus discovers gravity in the New World.
Topic 2: Mechanics (20 hours) Essential idea: Motion may be described and analysed by the use of graphs and equations. 2.1 Motion Nature of Science Observations: The ideas of motion are fundamental to many areas of physics, providing a link to the consideration of forces and their implication. The kinematic equations for uniform acceleration were developed through careful observations of the natural world. Understandings: · Distance and displacement · Speed and velocity · Acceleration · Graphs describing motion · Equations of motion for uniform acceleration · Projectile motion · Fluid resistance and terminal speed Applications and skills: · Determining instantaneous and average values for velocity, speed and acceleration · Solving problems using equations of motion for uniform acceleration · Sketching and interpreting motion graphs . Determining the acceleration of free-fall experimentally · Analysing projectile motion, including the resolution of vertical and horizontal components of acceleration, velocity and displacement · Qualitatively describing the effect of fluid resistance on falling objects or projectiles, including reaching terminal speed
QUANTITY DISTANCE DISPLACEMENT The shortest distance between two points. SPEED VELOCITY ACCELERATION Symbol Definition D The length of the space between two points. S v It is the distance travelled per unit time. v(with arrow) It is the distance travelled per unt time in a given direction. a It is the rate of change of velocity with respect to time. Example 10m - A to B 2m - A to B 5ms-1 5ms-1 south 1.5ms-2 INSTANTANEOUS VS. AVERAGE SPEED: EXAMPLE - DUBAI TO ABU DHABI EQUATIONS FOR UNIFORMLY ACCELERATED MOTION v = u +at S = ut + 1/2at2 v2 = u2 + 2aS S = 1/2(v-u)t *What is the condition (i.e. assumption) for using these equations ?? The direction and magnitude of acceleration is constant. SI Unit meter meter ms-1 ms-1 ms-2 Vector Vector/ Scalar Scalar Vector Scalar Vector