Linear Motion 1. Change of velocity per unit time is called? Velocity Acceleration Uniform velocity Average velocity Question 1 of 30 2. Name the type(s) of motion which a moving body can exhibit (demonstrate)? Linear Circular Oscillatory spoteneousQuestion 2 of 30 3. The time of flight for a body under horizontal projection is the same as the time for free fall? True False Maybe None Question 3 of 30 4. Name the SI unit of Velocity mskm/hm/scm/sQuestion 4 of 30 5. Which among the following is not an equation of a body in motion under gravity v=u + gtS= ut + 1/2 gt2v2= u2+ 2as v2= u2+ 2gsQuestion 5 of 30 6. For a body that is projected horizontally its initial horizontal velocity u remains constant (unchanged) throughout the flight? True False Maybe None Question 6 of 30 7. Mention the name given to the path of which a body follows when under projection? Projectile Trajectory Pathway Highway Question 7 of 30 8. Which of the following equation represents time of flight for a body which is either projected vertically or in free fall? t = u/gt = 2u/gt = (u+v)/gt = (u-v)/gQuestion 8 of 30 9. What happens when a body is falling down freely towards the ground? It experiences a force of attraction towards the center of the earth Gravitational force causes the body to accelerate towards the center of the earth.No ideaIt undergoes a uniform retardation due to the gravitational pull Question 9 of 30 10. If the displacement of a body (object) is the same at equal intervals of time it is said to be? Uniform speed Acceleration Uniform velocity Average velocity Question 10 of 30 11. What is the change of displacement per unit time? Speed Velocity Vector Scalar Question 11 of 30 12. Define displacement Is the distance moved by a body in a specified direction The distance covered by a body The distance in meters between 2 points Is the length in meters of 2 points Question 12 of 30 13. Which among the following is not an equation of a body which is projected vertically upwards v=u - gtv2= u2 - 2gsS= ut - 1/2 gt2v2= u2+ 2gsQuestion 13 of 30 14. Which of the following equation represents the Maximum height {Hmax} in which a body projected vertically upwards is attained? Hmax = 2u/gHmax = u/2gHmax = (u x u )/2gNone of the above Question 14 of 30 15. What happens when a body is projected vertically upwards? It experiences a force of attraction towards the center of the earthIt undergoes a uniform retardation due to the gravitational pull It faces opposition to its upward motion None of the above Question 15 of 30 16. The acceleration of a body at any instant is referred to as? Uniform acceleration Non-uniform acceleration Instantaneous acceleration Zero-acceleration Question 16 of 30 17. A moving body which moves/travels in a straight line only is said to be in? Rotational motion Vibrational motion Translational motion None of the mentioned Question 17 of 30 18. Which statement is CORRECT about acceleration? SI unit of acceleration is m/s2It is the change of velocity per unit time It is a vector quantity Scalar quantityQuestion 18 of 30 19. The difference between displacement and distance is? SI unit of distance is m and displacement is m-1Displacement has magnitude and direction but distance has only magnitude. Displacement is a scalar quantity but distance is a vector quantity. None of the mentioned Question 19 of 30 20. Range is the maximum horizontal distance covered by a body which is under horizontal projection? False True Maybe None Question 20 of 30 21. Name the 3 types of projection a body under linear motion can undergo? Vertical projection Horizontal projection Free fall diagonal fallQuestion 21 of 30 22. What quantity of acceleration will be recorded for a body whose velocity does not change with time? Zero One Infinity None Question 22 of 30 23. The velocity of a body at a particular time is referred to as? Uniform velocityinstantaneous VelocityInstantaneous acceleration timely velocityQuestion 23 of 30 24. Time of flight is the time taken by the body (object) to fall back to its point of projection (vertical) False Maybe True None Question 24 of 30 25. Which of the following statements is INCORRECT about velocity? It is a vector quantity It is speed in a specified direction It has magnitude only It is change of displacement per unit time Question 25 of 30 26. Which among the following is not an equation of linear motion? v=u + at s = ut + at2v2= u2+ 2as S= ut + 1/2at2Question 26 of 30 27. The fraction 36/10 is normally associated with? Converting distance to displacement Converting km/hr to m/sConverting m/s to km/hrCalculating speed Question 27 of 30 28. Which of the following is not an equation of a body which is projected horizontally? S= ut-1/2 x a x t x tH = 1/2 x g x t x tR= ut (v x v) = (u x u) + 2as Question 28 of 30 29. Speed is the distance covered per unit time? True False Maybe None Question 29 of 30 30. Which of the following statements is INCORRECT about displacement? Its SI UNIT is metersIt has both magnitude and direction It is the distance moved by a body regardless of directionIt is the distance moved by a body in a specified directionQuestion 30 of 30 Loading...