Class 9th science Test Paper Motion
Test-1 Subject-Science Chapter- Motion Time; 60min MM- 35 Two Mark Questions 1. Define the term displacement. Is it a vector quantity or a scalar quantity? 2. What is circular motion? Is circular motion an acceleration motion? 3. Derive mathematically the first equation of motion V=u + at? 4. A boy runs for 20 min. at a uniform speed of 18km/h. At what speed should he run for the next 40 min. so that the average speed comes 24km/hr. 5. A train accelerated from 10km/hr to 40km/hr in 2 minutes. How much distance does it cover in this period? Assume that the tracks are straight? Three Mark Questions 6. A train starts from rest and accelerate uniformly at the rate of 5 m/s 2 for 5 sec. Calculate the velocity of train in 5 sec. 7. A bullet leaves a rifle with a muzzle velocity of 1042 m/s. While accelerating through the barrel of the rifl...