Uniform Circular Motion – a constant motion along a circle; the unfirom motion of a body along a circle Frequency (f) – the number of cycles or revolutions completed by the same object in a given time; may be expressed as per second‚ per minute‚ per hour‚ per year‚ etc.; standard unit is revolutions per second (rev/s) Period (T) – the time it takes for an object to make one complete revolution; may be expressed in seconds‚ minutes‚ hours‚ years‚ etc.; standard unit is seconds per revolution
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KEY KEY These Physics NOTES belong to Name ____________________________________ Date __________ Period _____ Unit 5: Circular Motion and the Law of Gravity Ch. 7&8 Skills to Review or Learn: Memorize/use/convert SI units Apply Newton’s laws to circular motion Dispel myths about circular motion Skills to Review or Learn: Memorize/use/convert SI units Apply Newton’s laws to circular motion Dispel myths about circular motion I am responsible
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Chapter 1 Preview Robotics is a relatively young subject that has set itself the rather ambitious– some would say impossible–goal of trying to create intelligent‚ physical machines that think and behave like humans. This attempt to create intelligent machines naturally leads us to first examine ourselves‚ to ask‚ for example‚ why our bodies are designed the way they are‚ how our limbs are coordinated‚ what are the purpose of reflexes and how do they work‚ and how do we learn and refine complex
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Introduction The purpose of this experiment is to determine whether a change in mass affects the acceleration of the cart. The independent variable is the mass of the weight and the dependant variable is the acceleration. I do not think there is a control in the experiment because we do not know an absolute result with any of the masses of the weight. Besides‚ if we used 0g as our control‚ the cart won’t even move. Hypothesis Under these conditions I believe that the results shown in the distance
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2: SPEED‚ VELOCITY AND ACCELERATION 2.1 Distance and Displacement • Distance is the total length covered by a moving object irrespective of the direction of motion‚ i.e. only the magnitude is of importance. • Displacement is the distance measured in straight line AND in a specific d__________________. Both magnitude and d_________________ are important. Example 1 A car travels 5 km due east and makes a U-turn back to travel a further distance of 3 km. Find (a) the distance covered‚ (b)
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Holiday’s homework Class IX 1. Is potential energy a vector or a scalar quantity? 2. A train travels at a speed of 60 km/hr for 0.52hr‚ at 30 km/h for the next 0.24hr and then at 70 km/h for the next 0.71h.What is the average speed of the train? 3. Plot the distance – time graphs a) When the body is at rest b) When the body is moving with a uniform speed c) When the body is moving with a non-uniform speed. 4. The brakes applied to a car produced an acceleration of 6 ms-2 in
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Joe Rachid 14/1/2011 Grade 9 (L) English Essay What Comes After the Three Dots… The wind raged towards my hair‚ wooshing it back and forth as it tickled my ears. The sun’s
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Centripetal Force: The center-seeking force Group Members: Joshua Velez‚ Patrick Hannigan-Devine‚ and Eric Guidarelli PURPOSE: To move in a circle F=ma is required‚ where acceleration being the rate of change of velocity with velocity being both magnitude and direction. Magnitude of acceleration can be found by a=v2R. The relation of these two is found in centripetal force F=mv2R. This lab will prove the relation of the first two equations. EQUIPMENT: * Centripetal Force Apparatus
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PHYSICS 1 MIDTERM EXAM REVIEW #2 1. A 6.0-N force and an 8.0-N force act concurrently on a point. As the angle between these forces increases from 0° to 90°‚ the magnitude of their resultant (1) decreases (2) increases (3) remains the same 2. A car increases its speed from 9.6 m/s to 11.2 m/s in 4.0 s. The average acceleration of the car during this 4.0-second interval is (1) 0.40 m/s2 (3) 2.8 m/s2 (2) 2.4 m/s2 (4) 5.2 m/s2 3. What is the speed of a 2.5-kilogram mass after
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DEPARTMENT ENGINEERING DESIGN AND MANUFACTURE LABORATORY REPORT LECTURER: MR . EDZROL NIZA MOHAMED SUBJECT:DYNAMICS TITLE:NEWTON’S LAW/ AIR TRACK NAME:TENGKU SAKINAH BINTI TENGKU ZAHARI MATRIC NO:KEP120038 GROUD NO:E DATE OF EXPERIMENT: 25 APRIL 2013 DATE OF SUBMISSION: 2 MAY 2013 OBJECTIVE To determine the following uniformity accelerated motion in a straight line. 1. Distance travelled as a function of time 2. Velocity as a function
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