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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The direction of motion of a particle moving in a circle is along the |
<p>Normal </p> <p>Tangent</p> <p>Away from centre</p> <p>Towards the centre</p> |
| 2 | A 1000 kg truck is turinging round a corner of radius 100 m with speed 72 km/h, centipetal force is …………………….N. |
<p>2</p> <p>40</p> <p>400</p> <p>4000</p> |
| 3 | When a body is whirled in a horizontal circle by means of a string. The centripetal force is supplied by |
<p>Mass of a body</p> <p>Velocity of a body</p> <p>Tension in the string</p> <p>Air friction</p> |
| 4 | The work doen by the centripetal force is. |
<p>Zero</p> <p>Minimum</p> <p>Maximum</p> <p>Negative work</p> |
| 5 | The force needed to bend the normally straight path of the particle into circle is. |
<p>Gravitational force</p> <p>Frictional force</p> <p>Centrifugal force</p> <p>Centripetal force</p> |
| 6 | One radian is equal to. |
<p>57.3<sup>o</sup></p> <p>56.3<sup>o</sup></p> <p>360<sup>o</sup></p> <p>58.3<sup>o</sup></p> |
| 7 | A wheel of radius 2 m turns though an angle of 57.3o It lay out a tangential distance. |
<p>2m</p> <p>4 m</p> <p>57.3 m</p> <p>114 .6 m</p> |
| 8 | If arc distanc is equal two times of radius of circle, then angle traced will be. |
<p>30<sup>o</sup></p> <p>40<sup>o</sup></p> <p>Irad</p> <p>2 rad</p> |
| 9 | SI Unit of angular displacement |
<p>Meter</p> <p>Radian</p> <p>Kilometer</p> <p>Centimeter</p> |
| 10 | In one revolution the anguar displacement covered is. |
<p>60<sup>o</sup></p> <p>90<sup>o</sup></p> <p>360<sup>o</sup></p> <p>180<sup>o</sup></p> |
| 11 | Teh moment of inertial of body depends upon |
<p>Mass of the body and its distribution about axis of rotation</p> <p>Volume of the body</p> <p>Kinetic energy of the body</p> <p>Angular momentum of the body</p> |
| 12 | A bottle of soda wate is grasped fromt he neck and swung briskly in vertical circle. Near whcih portionof the bottle do the bubble collect. |
<p>Near the bottom</p> <p>In the middle of bottle</p> <p>Bubble sremain distributed througout </p> <p>Near the neck of the bottle</p> |
| 13 | A man inside th artificial satllite feels weightlessness because the force of attrction due to the earth is. |
<p>Zero at pole</p> <p>Balanced by the force of attraction due to the moon</p> <p>Equal to the centripetal force</p> <p>Non effective due to some prticular design of the satellite</p> |
| 14 | An object in uniform circular motion make 10 revolution sin 2 secons .Which of the following statement is true. |
<p>Its period is 2.0 s</p> <p>Its period is 20 s</p> <p>Its frequency is 5 Hz</p> <p>Its frequency is 0.2 Hz</p> |
| 15 | An astronaut is orbiting aroudn th Earth in a large capsule . Then. |
<p>He willbe in a state of weight lessness with respect to capsule</p> <p>He is freely falling towards the Earth </p> <p>A ball prjected at an angle has a straight line path as observed by him</p> <p>All the above</p> |
| 16 | The minimum velocity necessary to put a satellite into the orbit is called. |
<p>Terminal velocity</p> <p>Critical velocity</p> <p>Artificial velocity</p> <p>Angular Velocity</p> |
| 17 | Every point of rotating rigid body has |
<p>Same angualr velocity </p> <p>Same linear velocity</p> <p>Same linear aceleration</p> <p>Same linear distance</p> |
