Class 7: Motion and Time MCQs Leave a Comment / WTP Blogs / By Class 7: Motion and Time MCQs 1 / 9 Motion of a child on a see-saw is Circular motion Oscillatory motion Straight line motion 2 / 9 A simple pendulum makes 20 oscillations in 30 seconds. What time frame (period) does the pendulum operate in? 0.15 s 1.5 s 1.6 s 3 / 9 Salma rides her bicycle 15 minutes to get to school from her house. Calculate the distance between her home and the school if the bicycle is travelling at a speed of 2 m/s. 1800 meters Can't say 1.8 km 7.5 m 4 / 9 The bob moves from A to C in t11 seconds then from C to O in t21 seconds. This pendulum's time period is (t11 + t21 ) 4(t11 + t21 ) 3(t11 + t21 ) 2(t11 + t21 ) 5 / 9 Which of the following statements is untrue? A certain pendulum's time period is not constant. A second is the fundamental unit of time. A train's speed is measured in miles per hour. The distance in kilometres between two cities. All objects move at the same speed. 6 / 9 54 kilometres are covered by a bus in 90 minutes. The bus's top speed is 0.6 m/s 10 m/s 3.6 m/s 5.4 m/s 7 / 9 Motion of the hammer of an electric bell is straight line oscillatory motion circular 8 / 9 A automobile drives at 40 km/h for 15 minutes and then at 60 km/h for the following 15 minutes. The automobile travelled the following mileage overall: 25 km 10 km 100 km 15 km 9 / 9 160 kilometres separate the two stations. The equivalent distance is covered in 4 hours by train. Determine the train's speed. 0.005 km/h 40 km/h Unkown Your score is 0% Restart quiz