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	Suppose the water flows out from a pipe at 3kg s^-1and its velocity changes from 5m s^-1to zero on striking the wall, then the force exerted by water on wall will be	5 N 10 N 15 N 20 N
2	A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is	Zero Infinity V 2 V
3	Which quantity has the same units as impulse	force work linear momentum acceleration
4	The product of force and time is called	acceleration linear momentum angular momentum impulse
5	The entity which measures the quantity of motion in a body is called	force energy momentum power
6	According to the law of conservation of linear momentum, the total linear momentum of an isolated system	increases decreases with time remains constant none of them
7	The expression F x t is called impulse if the time 't' is	zero very large very small infinite
8	In the expression F x t, the force F is	total force instantaneous force average force all of them
9	The quantity F x t is called as	momentum velocity acceleration impulse
10	Rate of change of momentum is called	Impulse Force Torque Momentum
11	The SI units of momentum is	kg m s<sup>-2</sup> kg ms kg m s<sup>2</sup> N-s
12	The direction of the linear momentum is the direction of	speed velocity weight none of them
13	Linear momentum is a	fixed quantity constant quantity scalar quantity vector quantity
14	The linear momentum of the body is defined as	p=ma p=1/2ma p=mv p=1/2mv
15	If the objects of different masses move with the same velocity, then it is more difficult to stop the	lighter of the two massive of the two any one of them both of them

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