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

ECAT Physics Chapter 3 Motion and Force Online Test

Sr. #	Questions	Answers Choice
1	In the above figures, tell which set is graphs shows that a body is moving uniform velocity:	(i) and (ii) (ii) and (iii) (i) and (iii) (ii) and (iv)
2	If the velocity time graph is a straight line parallel to time-axis, then it means that:	The body is moving with uniform velocity The body is moving with uniform acceleration The body is at rest None of above
3	The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:	3 N 4 N 5 N 6 N
4	A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:	10 m/sec2 20 m/sec2 30 m/sec2 Zero
5	A body of mass 5 kg is acted upon by a total change n momentum will be:	10 NS 100 NS 140 NS 200 NS
6	When brakes are applied to a fast moving car, the passengers will be thrown:	Forward Backward Downward None of these
7	Which one of the following is dimensionless.	Acceleration Velocity Density Angle
8	The dimension of linear inertia is:	MLT<sup>2</sup> ML<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span><span style="font-size: 10.5pt; line-height: 107%; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">T<sup>-2</sup></span> ML<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°T</span><span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> MLT<sup>-1</sup>
9	A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?	4.2 m 8.4 m 12.6 m none of these
10	A body moving with an acceleration of 5 m/sec²started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?	150 m 250 m 350 m 400 m
11	The shortest distance between two points directed from its initial point to final point is called:	Velocity Displacement Speed Distance
12	Ethanol (alcohol) as a type of:	Electric fuel Bio fuel Nuclear fuel None of these
13	Root out of the conventional source of energy:	Energy from biomass Hydroelectric energy Geothermal energy None of these
14	Biomass includes:	Crop residue Natural vegetation Animal dung All of these
15	The consumption of energy by a 1000 watt heter in half an hour is:	5 Kwh 0.5 Kwh 2.5 Kwh 3.2 Kwh

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