Name Class Date Energy, Motion, Force, and Work Lesson Quiz Circle the words that correctly complete the paragraph. 1. Deanna’s niece loves to swing at the local playground, so Deanna takes her and pushes her on the swing. Deanna must use (motion / transfer / force / energy) to exert a (transfer / motion / force / energy) that causes the swing to change (force / energy / motion / transfer). Write the letters of the correct answers on the lines at left. ______ 2. Four students are each pushing on one side of a box. Mara is pushing to the west, Cindi is pushing to the east, Chris is pushing to the north, and Sammy is pushing to the south. If the box moves to the east, which student does work on the box? A. B. C. D. ______ 3. Marissa uses a cart to haul flowers at her job as a landscaper. She pushes a 12-kilogram cart a distance of 6 meters with a force of 25 Newtons. How much work does she do? A. B. C. D. ______ 4. Mara Cindi Chris Sammy 4.25 N/m 12.50 N•m/kg 150.00 N•m 1800.00 N•m•kg Chad’s family just moved into a new home. The sun went down as Chad was moving boxes into the house, so he had to turn on a light to see. Which statements are true about the power Chad used? Choose the two statements that apply. A. The power he used to move the boxes can be found by determining the rate at which work was done on the boxes. B. The power Chad used to move the boxes is the force he used times the distance he moved them. C. The power of the light Chad turned on is the amount of energy changed from electricity to light. D. The power of the light Chad turned on is the amount of energy transferred per time. Lesson 1 Quiz Copyright © by Savvas Learning Company LLC. All Rights Reserved. Name ______ 5. Class Date Raul dug a hole in his yard to repair a water pipe. It took him 2 seconds to apply a force of 50 Newtons to push a shovel 0.25 meters into the ground. How much power was used? A. B. C. D. 0.01 watts 6.25 J/s 25.00 N•m•s 100.00 watts Use the information below to answer questions 6 and 7. Colin is helping a librarian return books to the shelves where they belong. He picks up books from the librarian’s desk, as shown in Figure A. He then carries them to the shelves, as shown in Figure B. ______ 6. In which figure does Colin do work? A. B. C. D. Figure A Figure B Both figures Neither figure Lesson 1 Quiz Copyright © by Savvas Learning Company LLC. All Rights Reserved. Name Class Date Write an answer for the following question in the space provided. 7. Explain why Figures A and B do or do not show work being done. Then, provide two examples (not including lifting or carrying) of how work could be done on the books. _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Lesson 1 Quiz Copyright © by Savvas Learning Company LLC. All Rights Reserved.
