1. which of the following will move faster ? cart A which is empty or cart B which is full of canned goods A. cart A B. cart B. C. cart A and B D. none 2.why do you think a thin man will move faster than a fat man? A. because thin man walk faster B. because thin man has a light mass C. because thin man is in hurry D. because thin man has a heavy mass 3. a truck and a car moving on a highway with the same speed, which do you think will accelerate faster? A. truck B. both C. car D. none of the above 4. which box would need the greatest force to move? A. 50kg B. 60kg C. 85kg D. 150kg 5. what quantity is a present when a marble rolling on smooth surface slows down and eventually stops? A. friction B. gravity C. inertia D. mass
