[{"id":155208,"question":"A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body 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":"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":"B"},{"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":"C"},{"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":"D"},{"value":"E"}],"correctAnswer":3},{"id":155199,"question":"A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:","choices":[{"text":"+5 x 10<sup>1</sup>J","value":"A"},{"text":"+5 x 10<sup>2</sup>J","value":"B"},{"text":"+5 x 10<sup>3</sup>J","value":"C"},{"text":"+5 x 10<sup>4</sup>J","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155194,"question":"When a body 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":155190,"question":"In the force applied to parallel to the direction of motion, then the work done 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":155185,"question":"A 2 kg block is held 1 m above 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":155183,"question":"Work done in lower and 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":155167,"question":"A field in which the work done is moving a body along closed path is zero is called:","choices":[{"text":"Nuclear filed","value":"A"},{"text":"Conservative field","value":"B"},{"text":"Gravitational field","value":"C"},{"text":"Non-conservative field","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155162,"question":"When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:","choices":[{"text":"2 J","value":"A"},{"text":"0.25 J","value":"B"},{"text":"1 J","value":"C"},{"text":"0.5 J","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155158,"question":"The work done in 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":155157,"question":"Which of the following type of force can do no work on the particle on which it acts:","choices":[{"text":"Frictional force","value":"A"},{"text":"Gravitational force","value":"B"},{"text":"Electric force","value":"C"},{"text":"Centripetal force","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155155,"question":"The field in which work done is moving body between two points depends upon the path followed is called:","choices":[{"text":"Conservative filed","value":"A"},{"text":"Non-conservative field","value":"B"},{"text":"Electric field","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155153,"question":"Work done along a closed path in a gravitational field is:","choices":[{"text":"Maximum","value":"A"},{"text":"Minimum","value":"B"},{"text":"Zero","value":"C"},{"text":"Unity","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155152,"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 with 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":155151,"question":"The space around the earth within which it expects a force of attraction on other bodies is 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":155150,"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}]