Part I. Direction: Encircle the letter of the correct answer. 1. It is a continuous change in position of an object with respect to a reference point. C Motion D. Reference A. Direction B. Magnitude 2. Which of the following describes the displacement of an object? C. An object moves 300 meters A A student walks 2.0 km North D. A ball travels at 15 m/s South B. A1 kg object moves at 18 m/s 3. Which is a measure of displacement? D. $ A. m/s B. km C. m/s2 4. Scott travels North 5 miles and then goes West 3 miles before coming straight back South 2 miles. What is his distance? D. 6 miles C. 7 miles A. 10 miles B. 8 miles 5. Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement? D. 200 m А. 800 m C. 400 m B. 0 6. Which of the following is true about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right? A Displacement of the object is equal to 12 m C. Displacement of the object is equal to 12 m down. B Total distance travelled by the object is equal to 12 m D. Total distance travelled by the object is equal to 12 m down 7. If a person runs 100 meters in 10 seconds, what is his average speed? A 2 m/s B. 5 m/s C. 10 m/s D. 20 m/s 8. From home, Dong walked 300 m East to visit Inday. Both Dong and Inday walked another 400 m North and 300 m West. Which of the following statements is NOT TRUE? A. Dong went home C. Dong's displacement is zero if they continue to travel 400 m South B. Dong travelled a total distance of 1,000 m. D. Dong's displacement is shorter than the total distance he has travelled. 9. Two boys walked a 200-meter distance path. It takes 5 minutes for Boy A to finish while 10 minutes for Boy B. How do you compare their speed? A Boy B is faster than Boy A C. They have the same speed B. Boy A is slower than Boy B D. Boy A is twice faster than Boy B 10. If a total distance of 750 m is covered in a time interval of 25 s, the average speed is A. 30 m/s B. 725 m/s C. 775 m/s D 3974 m/s 11. If the speed of an object does NOT change, the object is travelling at a А. Constant Speed B. Average Speed C. Increasing Speed D. Decreasing Speed 12. How much time is required for a bicycle to travel a distance of 100 m at an average speed of 2 m/s? A. 0.02 s B. 50 $ C. 100 D. 2005 13. Which is a measure of velocity? A 25 South B. 25 km/s C. 25 m South D. 25 km/hr South 14. What is the distance covered by a car in 5 hours if it is moving with a speed of 35 km/hr.? A 175 km B. 7 km C 150 km 15. This refers to the rate of change in velocity of an object D. 1750 km A Acceleration B. Motion C. Speed 16. To determine the acceleration rate of an object, you must calculate the change in velocity during each unit of D. Velocity A Speed B. Motion C. Time 17. Which of the following is the unit of acceleration? D. Acceleration A m/hr B. m/mi 18. It refers to acceleration where a moving object slows down before it stops. C. m/s A Average acceleration В. Deceleration D. m/s? C. Constant Acceleration D. Instantaneous Acceleration 19. A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration? -7.5 m/s B -0.5 m/s2 C.-7.5 m/s2 D. 0.5 km/h 20. If a car changes speed from 50 km/hr to 54 km/hr in one hour, its average acceleration is 4 km/hr? B. 400 km/hr C. 40 km/hr? D. 0.4 km/hr
