ECAT Pre Engineering Physics Chapter 4 online mcq test with answers for chapter 4 (Work and Energy)

Physics ECAT Pre Engineering Chapter 4 Work and Energy Online Test

Sr. #	Questions	Answers Choice
1	When the body is moves against the force of friction on a horizontal plane, the work done by the body is:	Positive Negative Zero None of these
2	In the force applied is parallel to the direction of motion, then work done is:	Maximum Minimum Zero None of these
3	A two Kg block is held 1 m above the floor for 50 seconds, the work done is:	Zero 10.2 J 100 J 980 J
4	Work done is lowering the bucket into the well is:	Zero Positive Negative None of these
5	The angle between centripetal force and displacement of the body moving in a circle is:	0<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> 90<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> 180<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> None of these
6	Tick the conservation force:	Tension in a string Air resistance force Elastic spring Frictional force
7	The work done moving a body between two points in a conservation field is independent of the:	Direction Force applied Path followed by the body ` Power
8	The field in which work done in moving a body between two points depends upon the path followed is called:	Conservative field Non-conservative field Electric field None of these
9	A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. The angle which the force makes the direction of motion will be:	60<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> 90<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> 30<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> 0<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>
10	The space around the earth within it exerts a force of attraction on other bodies of known as:	Nuclear field Conservative field Electric field Gravitational field
11	Work done is maximum when angle between force and displacement is:	0<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> 90<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> 180<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> None of these
12	Work has the dimension as that of:	Torque Angular momentum Linear momentum Power
13	If force and displacement are in opposite direction, the work done is taken as:	Positive work Negative work Zero work Infinite work
14	The work performed on an object does not depend on:	Force applied Angle at which force is inclined to the displacement Initial velocity of the object Displacement
15	Work is always done on a body when:	A force acts on it It moves through certain distance None of A or B is correct Both A and B is correct

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