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WORK, ENERGY & POWER: WORKSHEETS. 1.1 Draw a labelled free-body diagram to show ALL the forces acting on the crate during its motion. 1.2 Give a reason why each of the vertical forces acting on the crate does NO WORK on the crate.
GRADE 12 . Compiled by: Dr. Sarita Swanepoel . Worksheet . 2 Worksheet: Work, energy and power. QUESTION 1. 1.1 A girl with mass 60 kg slides 3 m down an inclined plane as shown in the picture. a. Calculate the work done on the girl by gravity. b.
Physical Science Gr 12 - Work, energy and power - Worksheet - Full - Free download as PDF File (.pdf), Text File (.txt) or read online for free.
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 Review Package. 1) Work: change in energy. Measured in Joules, J. W = Fd and W = ΔE where change in energy can be both KE or PE. Work is scalar but can be negative. To remember this, ask yourself either: • Is the object is losing energy (i.e. ΔE is decreasing)
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, energy and power GRADE 12 Compiled by: Dr. Sarita Swanepoel Worksheet - Memo
