[{"id":153870,"question":"When the body is moves against the force of friction on a horizontal plane, the work done by the body is:","choices":[{"text":"Positive","value":"A"},{"text":"Negative","value":"B"},{"text":"Zero","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153869,"question":"In the force applied is parallel to the direction of motion, then work done is:","choices":[{"text":"Maximum","value":"A"},{"text":"Minimum","value":"B"},{"text":"Zero","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153868,"question":"A two Kg block is held 1 m above the floor for 50 seconds, the work done is:","choices":[{"text":"Zero","value":"A"},{"text":"10.2 J","value":"B"},{"text":"100 J","value":"C"},{"text":"980 J","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153865,"question":"Work done is lowering the bucket into the well is:","choices":[{"text":"Zero","value":"A"},{"text":"Positive","value":"B"},{"text":"Negative","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153864,"question":"The angle between centripetal force and displacement of the body moving in a circle is:","choices":[{"text":"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>","value":"A"},{"text":"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>","value":"B"},{"text":"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>","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153863,"question":" Tick the conservation force:","choices":[{"text":"Tension in a string","value":"A"},{"text":"Air resistance force","value":"B"},{"text":"Elastic spring","value":"C"},{"text":"Frictional force","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153861,"question":"The work done moving a body between two points in a conservation field is independent of the:","choices":[{"text":"Direction","value":"A"},{"text":"Force applied","value":"B"},{"text":"Path followed by the body `","value":"C"},{"text":"Power","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153859,"question":"The field in which work done in moving a body between two points depends upon the path followed is called:","choices":[{"text":"Conservative field","value":"A"},{"text":"Non-conservative field","value":"B"},{"text":"Electric field","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153856,"question":"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:","choices":[{"text":"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>","value":"A"},{"text":"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>","value":"B"},{"text":"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>","value":"C"},{"text":"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>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153855,"question":"The space around the earth within it exerts a force of attraction on other bodies of known as:","choices":[{"text":"Nuclear field","value":"A"},{"text":"Conservative field","value":"B"},{"text":"Electric field","value":"C"},{"text":"Gravitational field","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153854,"question":"Work done is maximum when angle between force and displacement is:","choices":[{"text":"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>","value":"A"},{"text":"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>","value":"B"},{"text":"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>","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153853,"question":"Work has the dimension as that of:","choices":[{"text":"Torque","value":"A"},{"text":"Angular momentum","value":"B"},{"text":"Linear momentum","value":"C"},{"text":"Power","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153852,"question":"If force and displacement are in opposite direction, the work done is taken as:","choices":[{"text":"Positive work","value":"A"},{"text":"Negative work","value":"B"},{"text":"Zero work","value":"C"},{"text":"Infinite work","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153851,"question":"The work performed on an object does not depend on:","choices":[{"text":"Force applied","value":"A"},{"text":"Angle at which force is inclined to the displacement","value":"B"},{"text":"Initial velocity of the object","value":"C"},{"text":"Displacement","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153850,"question":"Work is always done on a body when:","choices":[{"text":"A force acts on it","value":"A"},{"text":"It moves through certain distance","value":"B"},{"text":"None of A or B is correct","value":"C"},{"text":"Both A and B is correct","value":"D"},{"value":"E"}],"correctAnswer":4}]