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Use work and energy principles to calculate a speed or a height or an energy value. Most problems include little to no little scaffolding. Includes 10 problems.
Work, Energy and Power: Problem Set. Problem 1: Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a work out. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car. Audio Guided Solution. Show Answer. Problem 2:
Work Practice Problems Worksheet #1 ANSWER KEY. 1) Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do? Work = Force X Distance Work = 20N X 10m Work = 200 J. 2) How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N?
Er. Ujwal Kumar (Physics Mentor for NEET/ JEE-Mains, Adv/ KVPY/OLYMPIAD/CBSE) 115 CLASS – 11 WORKSHEET- WORK, ENERGY, POWER A. WORK (1 Mark Questions) 1. An artificial satellite is at a height of 36,500km above earth’s surface. What is the work done by earth’s gravitational force in keeping it in its orbit?
Power = Work / Time (in Watts) (in Joules) (in seconds) P = W / T Questions 1. Why are both energy and work measured in Joules? 2. A ball with a weight of 30 Newtons is kicked 2 metres into the air. What work has been done? 3. A weightlifter lifts 2 weights of 200 Newtons each up to a height of 1 metre. What work has he done? 4.
Calculate the energy posses by a stone of mass 10kg kept at a height of 5m. If 196 x10^2 J of energy were used to raise a 40kg boy above the ground, how high would he be raised?
Worksheet - Work & Power Problems I. Work A. Sample Problems: 1. F = 200 Newtons Formula: _____ d = 50 meters Substitution: _____ W = ? Answer with unit of measure: _____ 2. F = 5 Newtons Formula: _____
