ECAT Pre Engineering Physics Chapter 3 online mcq test with answers for chapter 3 (Motion and Force)

Physics ECAT Pre Engineering Chapter 3 Motion and Force Online Test

Sr. #	Questions	Answers Choice
1	If the acceleration of a body is not uniform, then velocity-time graph will be:	Curve Straight line Sphere All of these
2	If the acceleration of a body is negative, then slope of the velocity-time graph will be:	Zero Positive Negative Infinity
3	Distance covered by a freely failing body n the first second of its motion will be:	4.9 m 9.8 m 19.6 m 29.4 m
4	When the total displacement is divided by total time taken, we get:	Velocity Average speed Average velocity None of these
5	The decrease in velocity per unit time is called:	Variable Acceleration Average Acceleration Retardation None of these
6	The distance covered by a body in unit time is called.	Displacement speed Velocity Both B and C
7	One newton is a force that produces an acceleration of 0.5 m/sec²in a body of mass:	2 Kg 3 Kg 4 Kg 8 Kg
8	Force is a:	Scalar quantity Base quantity Derived quantity None of these
9	An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:	100 m/sec 140 m/sec 1960 m/sec 196 m/sec
10	Body which falls freely under gravity provides good example of motion under:	Uniform acceleration Non-uniform acceleration Uniform velocity None of these
11	Swimming becomes possible because of______law of motion.	First Second Third None of these
12	A dirty carpet is to be cleaned by heating. This is in according with______law of motion.	First Second Third None of these
13	A certain force gives an acceleration of 2 m/sec²to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:	0.5 m/sec<sup>2</sup> 5 m/sec<sup>2</sup> 1.5 m/sec<sup>2</sup> 9.8 m/sec<sup>2</sup>
14	Slope of velocity time graph represents:	Acceleration Speed Torque Work
15	In above figures, tell which set of graphs shows that a body is moving with uniform velocity:	(i) and (ii) (ii) and (iii) (iii) and (iv)

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