[{"id":161545,"question":"If the acceleration of a body is not uniform, then velocity-time graph will be:","choices":[{"text":"Curve","value":"A"},{"text":"Straight line","value":"B"},{"text":"Sphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":161544,"question":"If the acceleration of a body is negative, then slope of the velocity-time graph will be:","choices":[{"text":"Zero","value":"A"},{"text":"Positive","value":"B"},{"text":"Negative","value":"C"},{"text":"Infinity","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":161543,"question":"Distance covered by a freely failing body n the first second of its motion will be:","choices":[{"text":"4.9 m","value":"A"},{"text":"9.8 m","value":"B"},{"text":"19.6 m","value":"C"},{"text":"29.4 m","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":161542,"question":"When the total displacement is divided by total time taken, we get:","choices":[{"text":"Velocity","value":"A"},{"text":"Average speed","value":"B"},{"text":"Average velocity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":161541,"question":"The decrease in velocity per unit time is called:","choices":[{"text":"Variable Acceleration","value":"A"},{"text":"Average Acceleration","value":"B"},{"text":"Retardation","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":161540,"question":"The distance covered by a body in unit time is called.","choices":[{"text":"Displacement","value":"A"},{"text":"speed","value":"B"},{"text":"Velocity","value":"C"},{"text":"Both B and C","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155140,"question":"One newton is a force that produces an acceleration of 0.5 m/sec<sup>2</sup>in a body of mass:","choices":[{"text":"2 Kg","value":"A"},{"text":"3 Kg","value":"B"},{"text":"4 Kg","value":"C"},{"text":"8 Kg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155138,"question":"Force is a:","choices":[{"text":"Scalar quantity","value":"A"},{"text":"Base quantity","value":"B"},{"text":"Derived quantity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155135,"question":"An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:","choices":[{"text":"100 m/sec","value":"A"},{"text":"140 m/sec","value":"B"},{"text":"1960 m/sec","value":"C"},{"text":"196 m/sec","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155133,"question":"Body which falls freely under gravity provides good example of motion under:","choices":[{"text":"Uniform acceleration","value":"A"},{"text":"Non-uniform acceleration","value":"B"},{"text":"Uniform velocity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155131,"question":"Swimming becomes possible because of______law of motion.","choices":[{"text":"First","value":"A"},{"text":"Second","value":"B"},{"text":"Third","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155129,"question":"A dirty carpet is to be cleaned by heating. This is in according with______law of motion.","choices":[{"text":"First","value":"A"},{"text":"Second","value":"B"},{"text":"Third","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155127,"question":"A certain force gives an acceleration of 2 m/sec<sup>2</sup>to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:","choices":[{"text":"0.5 m/sec<sup>2</sup>","value":"A"},{"text":"5 m/sec<sup>2</sup>","value":"B"},{"text":"1.5 m/sec<sup>2</sup>","value":"C"},{"text":"9.8 m/sec<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155125,"question":"Slope of velocity time graph represents:","choices":[{"text":"Acceleration","value":"A"},{"text":"Speed","value":"B"},{"text":"Torque","value":"C"},{"text":"Work","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155124,"question":"In above figures, tell which set of graphs shows that a body is moving with uniform velocity:","choices":[{"text":"(i) and (ii)","value":"A"},{"text":"(ii) and (iii)","value":"B"},{"text":"(iii) and (iv)","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":3}]