1) The car just maintained its speed and its direction. Is this acceleration? a) Yes b) No 2) The car did not change its direction, but it increases its speed. Is this acceleration? a) Yes b) No 3) The car did not change its speed but turned into different direction. Is this acceleration? a) Yes b) No 4) The car changed both its speed and direction or changed its velocity. Is this acceleration? a) Yes b) No 5) A car at rest gained a speed of 40 km/hr. Is this acceleration? a) Yes b) No 6) Paper lying on the table. Is this acceleration? a) Yes b) No 7) A bus with a constant speed of 60 km/hr running in a straight line. Is this acceleration? a) Yes b) No 8) A racing car that is about to reach the finish line increases its speed. Is there acceleration? a) Yes b) No 9) A flying airplane that has a speed of 500 mi/hr and after 10 minutes it slows downs to 400 mi/hr. Is this acceleration? a) Yes b) No 10) A boy that is walking at a constant speed, as he reached the corner of the street he turned left. Is this acceleration? a) Yes b) No 11) A car was travelling at 10 m/s , then was travelling a 22 m/s 2 seconds later. What was the rate of acceleration? a) 2m/s b) 6 m/s/s c) 2m/s/s d) 2m/s2 12) A car was travelling at 15 m/s , then was travelling a 25 m/s 5 seconds later. What was the rate of acceleration? a) 2m/s b) 6 m/s/s c) 10m/s/s d) 2m/s2

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