Motion in Two and Three Dimensions Test Online MCQs

1. If R and H represent the horizontal range and the maximum height achieved by a projectile then which of the relation exists?

2. A body of mass 5 kg is moving in a circle of radius 1 m with an angular velocity of 2 rad/sec. Then the centripetal force will be

3. For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

4. The maximum range of a gun horizontal terrain is 10 km. If g = 10 m/s² what must be the muzzle velocity of the shell

5. If two projectiles are fired at the angles 30° and 60° respectively then the ratio of their horizontal ranges is

6. The acceleration of a body in a non-uniform circular motion is 5ms⁻². Which one of the following is correct?

7. If we can throw a ball up to a maximum height H, the maximum horizontal distance to which we can throw it is

8. An aircraft executes a horizontal loop with a speed of 150 m/s with its wings banked at an angle of 12°. The radius of the loop is (g = 10m/s²)

9. Two equal vectors have a resultant equal to either of them, then the angle between them will be

10. The angle between  will be

11. A car travels 6 km towards north at an angle of 45° to the east and then travels distance of 4 km towards north at an angle 135° to east. How far is the point from the starting point? What angle does the straight line joining its initial and final position makes with the east?

12. A body is projected at such angle that the horizontal range is three times the greatest height. The angle of projection is

13. Two vectors having equal magnitudes of x units acting at an angle of 45° have resultant √(2 +√2) units. The value of x is

14. For a particle in a uniformly accelerated circular motion

15. For a given angle of the projectile if the initial velocity is doubled the range of the projectile becomes