Newton's Laws of Motion: JEE Main Physics Previous Year Questions

197 previous year questions from Newton's Laws of Motion. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. 1.Two forces $F_1$ and $F_2$ are acting on a body. One force has magnitude thrice that of the other force and the resultant of the two forces is equal to the forc…
2. 2.A train is moving with a speed of $12m/s$ on rails which are $1.5m$ apart. To negotiate a curve radius $400m$, the height by which the outer rail should be raised with…
3. 3.A bullet of mass $20g$ moving with $500{\text{ms}}^{-1}$ is pierced $1\text{cm}$ into a wooden block, then the retarding force experienced by the…
4. 4.A stone of mass $2\text{kg}$ is tied at one end of a string of length $2m$ and is whirled in a horizontal circle. If the string can withstand a maximum te…
5. 5.In a lift moving up with an acceleration of $5m{s}^{-2}$, a ball is dropped from a height of $1.25m$. The time taken by the ball to reach the floor…
6. 6.The vector sum of two forces is perpendicular to their vector differences. In that case, the forces
7. 7.A force $\text{(}2i+j-k\text{)}N$ acts on a body, which is initially at rest. At the end of $20s$ the velocity of the body is…
8. 8.A person with machine gun can fire $50g$ bullets with a velocity of $240m/s$. A $60\text{kg}$ tiger moves towards $\text{him}$ with a velocity of…
9. 9.A particle moves in $x-y$ plane under the influence of a force $F$ such that its linear momentum is…
10. 10.Which of the following groups of forces could be in equilibrium
11. 11.A body subjected to three concurrent forces is found to be in equilibrium. The resultant of any two forces:
12. 12.A ball of mass 0.15 kg is dropped from a height 10 m, strikes the ground and rebounds to the same height. The magnitude of impulse imparted to the ball is nearly (…
13. 13.Three concurrent co-planar forces 1 N, 2 N and 3 N acting along different directions on a body:
14. 14.A person throws balls into air vertically upward in regular intervals of time of one second. The next ball is thrown when the velocity of the ball thrown earlier becomes…
15. 15.A particle moves along a circle of radius $r$ with constant tangential acceleration. If the velocity of the particle is $v$ at the end of second revolution, after the r…
16. 16.An object with mass $5\text{kg}$ is acted upon by a force, $F=\text{(}-3i+4j\text{)}N$. If its initial velocity at $t=0$ is $v=\text{(}6i-12j\text{)}m{s}^{-1}$…
17. 17.A body of weight 200 N is suspended from a tree branch through a chain of mass 10 kg. The branch pulls the chain by a force equal to (if $g=10m/s^2$ ) :
18. 18.A body of mass $4\text{kg}$ is accelerated upon by a constant force, travels a distance of $5m$ in the first second and a distance of $2m$ in the…
19. 19.A lift of mass M = 500 kg is descending with speed of 2 $m{s}^{-1}$. Its supporting cable begins to slip thus allowing it to fall with a constant acceleration of 2…
20. 20.A cricket ball of mass $0.15\text{kg}$ is thrown vertically up by a bowling machine so that it rises to a maximum height of $20m$after leaving the machine. If the part…
21. 21.A player caught a cricket ball of mass 150 g moving at a speed of $20m/s$. If the catching process is completed in 0.1 s, the magnitude of force exerted by the ba…
22. 22.A lorry is moving on a smooth circular path of radius 50 $m$ with a velocity of $20{\text{ms}}^{-1}$. Then the banking angle of the road is (Acceleration due to…
23. 23.A machine gun fires bullets of mass $30g$ with velocity of $1000m/s$. The man holding the gun can exert a maximum force of $300N$ on it. How may b…
24. 24.An object with mass 500 g moves along x -axis with speed $v=4\sqrt{x}m/s$. The force acting on the object is:
25. 25.The resultant of two forces 3P and 2Pis R. If the first force is doubled then the resultant is also doubled. The angle between the two forces is