LESSON PLAN IN PHYSICS Prepared by: Gemima B. Galvez ------------------------------------------------- “FRICTION” I. Learning Objectives At the end of the lesson‚ 95% of the fourth year students should be able to: 1. define friction; 2. identify the types of friction; 3. draw the free body diagram of forces in a given problem; and 4. determine the advantages and disadvantages of frictional force in our daily life. II. Learning Content A. Subject matter Friction
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Dancers do not often understand the physics and mathematics describing their movements‚ but they know how to execute them with grace. If ballerinas were not able to feel physics‚ they would fall over. Legs‚ arms and head are oscillating as they turn– moving back and forth in seemingly separate patterns. For dancers‚ everything must move in separate patterns‚ yet at the same time‚ move at the same rhythm. This presentation introduces the history‚ mathematics‚ and physics behind ballet. Ballet originated
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The Physics of Rainbows As we are coming down to the final weeks of winter‚ the days are getting longer‚ and it is slowing starting to warm up. We are all looking forward to springtime‚ with its promises of flowers and rain. Along with this rain brings reminders of rainbows. As Donald Ahrens says in the Meteorology Today magazine‚ “rainbows are one of the most spectacular light shows observed on earth (About).” In fact‚ one of the best ways to view a rainbow at it’s utmost
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are parts of physics study. 1) When we walk or run‚ our motion is part of laws of mechanics and thrmodynamics. 2) We eat food which undergoes chemical reactions producing heat energy which is converted into mechanical energy 3) Use of refrigerator‚ pressure cookers‚ washing machines‚ television‚ music system‚ computers‚ etc. are all designed on the principles of physics. 4) When we speak‚ we produce sound properties of which like pitch and intensity are studied in physics 5) Electricity
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Purpose: To find the initial velocity of a marble leaving a ramp using time‚ range‚ and background information learned in class. Equipment: The equipment used in this experiment was a toy track and ramp‚ a small marble‚ multiple Physics textbooks‚ meter sticks‚ bright-colored cardstock‚ masking tape‚ sidewalk chalk‚ plastic bag and a cloth. Procedure: Our experimental values include the height that the marble would travel‚ y= 88.1 cm‚ and our ramp angle‚ θ= 44.0°. These independent variables
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it roll down. Use a stopwatch to record the time the car rolled. Use this information to calculate the acceleration of the car. Measure the distance the car rolled using the meter stick. Record in your lab book. Repeat the process 3 times. Before each trial‚ add weight to the car by taping a penny to the car. Compare the graphs from each trial. What do you notice about the acceleration of the cars? Record your observation in your lab book. In your observation‚ discuss how this corresponds
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Name: __________________________ Date: _____________ |1. |British civil service workers in executive positions live longer than those in clerical positions. This best illustrates the | | |value of: | |A) |emotion-focused coping. | |B) |the general adaptation
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of clay used * Type of ball used * The dimensions of the clay slab used in each experiment * Methods to control the variables- * To increase the accuracy of the height of the ball-drop one can perform the experiment by the wall where markings according to our requirements of the ball drop can be made. * Air resistance can also greatly affect the experiment due to which this practice has to be performed in a closed room and fans should be switched off at all
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The Ballistic Pendulum Crime Lab Physics You are a criminologist‚ and have been given a gun which has been used in the commission of a crime. Both prosecution and defense claim that "muzzle velocity" (speed of the bullet as it leaves the gun) is crucial to the case. Your job...FIND IT! Shown below is a diagram representing a "ballistic pendulum." The bullet is fired into the block‚ the bullet-block combination rises by a height h as shown‚ a little physics is applied‚ and ...voila!...there
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I started vacuuming‚ that took me at least 2 hours because I ended up vacuuming the entire house. I was sooo tired when I finished‚ I had 6 hours left before Jennifer Lawrence arrived‚ what should I do to impress her? I mean besides talking about physics? I decided I’d make some coffee for the two of us‚ while all of this happens I remember that the A/C turns on every 30 minutes for 30 minutes‚ so it is on for 12 hours a day‚ then I remember to wash my dishes‚ so I put them in the dishwasher‚ which
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