Question 2 : Why can dust be removed from a carpet by shaking it, or by beating it with a stick?

Question 3 : You are thrown ahead when your car suddenly comes to a halt and you are thrown backwards when your car rapidly accelerates. Which law of Newton is involved in this?

Question 4 : A force of $10 N$ acts on a body of mass $20 kg$ for $10 s$ .Change in its momentum is:<br/>

Question 5 : Which of the following has more inertia.&nbsp;A rubber ball or a stone of the same size?<br>

Question 6 : Passengers standing in a bus are thrown outwards when the bus takes a sudden turn, Because of:

Question 7 : A and B are two objects with mass 6 kg and 34 kg respectively. Then

Question 8 : The sparks produced during sharpening of a knife against a grinding wheel leaves the rim of the wheel tangentially. This is due to which of the following?<br/>

Question 9 : Newton's first law of motion is also called Galileo's law of:

Question 10 : Which of the following safety features are used in vehicles to reduce the negative effects of inertia?<br><table class="wysiwyg-table"><tbody><tr><td>(i)Safety seat belts<br>(ii)Automatic air bags<br>(iii)Absorber bumpers<br></td></tr></tbody></table>

Question 11 : A loaded transport truck with a mass of 38000 kg is travelling at 1.20 m/s. What will be the velocity of a 1400 kg car if it has the same momentum?<br>

Question 13 : The mass of an object is a $\underline{ &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; }$ measure of inertia:<br/>

Question 15 : When the brakes are applied to bike the back seater moves forward why?<br>

Question 16 : What is the momentum of an object of mass m, moving with a velocity $V$ ?<br>

Question 17 : If the momentum of a body is doubled, the kinetic energy is

Question 18 : <table class="wysiwyg-table"><tbody><tr><td>List I</td><td></td><td>List II</td><td></td></tr><tr><td>A.</td><td>A dusting of a carpet</td><td>1</td><td>Inertia of direction</td></tr><tr><td>B.</td><td>Vehicles are provided with a mudguard</td><td>2</td><td>Inertia of motion</td></tr><tr><td>C.</td><td>Fan continues to rotate after switching off</td><td>3</td><td>Measure of inertia</td></tr><tr><td>D.</td><td>Mass</td><td>4</td><td>Inertia of rest</td></tr></tbody></table>

Question 19 : A passenger in a moving train tosses a coin which falls behind him. It&nbsp;means that the motion of the train is<br>

Question 20 : A particle moves along x-axis in such a way that its coordinate x varies with time t according to the expression, $x=2-5t+1.25t^2$. The initial velocity of the particle is?

Question 22 : Suppose gravity of earth suddenly becomes zero, then in which direction<br>will the moon begin to move if no other celestial body affects it ?<br><br>

Question 23 : Rahul is traveling in a bus on a straight road facing in the direction of the motion of the bus. If the bus starts accelerating in the same direction then Rahul will fall&#160;

Question 24 : A body of mass $M$ collides against a wall with velocity $V$&#160;and rebounds with the same speed. Its magnitude of change in momentum is:

Question 25 : When no force acts on a body, it must be _______.

Question 26 : X and Y are two objects with masses $100\ kg$ and $75\ kg$ respectively, then :<br/>

Question 27 : A truck and a car are moving with same kinetic energy. They are brought to rest by the application of brakes which&nbsp;<span>provide equal force.</span>

Question 28 : If a train is retarding and at same time&#160;coin is thrown upwards, then you will observe that:<br/>

Question 29 : A rider on horse falls back when horse starts running all of a sudden because

Question 30 : A body of mass $5\ kg$ is moving with a constant velocity of $18$ $m/s$ on a friction less horizontal surface. The force required to keep this body moving with the same velocity is

Question 31 : A 20 g bullet pierces through a plate of mass ${ m }_{ 1 }=1$ kg and then comes to rest inside a second plate of mass ${ m }_{ 2 }=2.98$ kg. It is found that the two plates, initially at rest, now move with equal velocities. The percentage loss in the initial velocity of bullet when it is in between the plates is (neglect any loss of material due to action of bullet)&nbsp;