TEST 2 MODULE 2 DIRECTION: Read and answer each question carefully. Write the letter of the correct answer on the space provided before the number. 1. A 30-kg crate is pushed 15 m across the floor. If 19 N of force is used to achieve this motion, how much work is done? A. 5586J B. 303 C. 285) D. 1.3J 2. A cat knocks a 0.01 kg toy mouse across the floor. If it travels 5 m and the cat does 7 J of work, how much force does the cat exert on the mouse? A. 35 N B. 1.4 N C. 2N D. 0.7 N 3. Mark pushes a 14-kg cabinet through a distance of 210 cm, doing 88.2 J of work. How much force does he apply on the cabinet? A. 137N B. 9.8 N C. 42 N D. 84 N 4. How much work is needed to lift a flower pot that weighs 200 N to a height of 4m? A. 200 N B. 400 N C. 600 N D. 800 N 5. A box is lifted vertically 1.5 m and then held there. The box has a weight of 100 N. Ignore friction. How much work is being done in hanging or holding the box in this elevated position? A. Less than 150 B. 150J C. More than 150 J D. No work is done Tron
Share
Answer:
WHAT'S THAT I CANNOT READ THAT BACAUSE THE BOOK IS THE IMPORTAN