10 JEE Main 2012 Laws of Motion previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 previous-year questions from the Laws of Motion chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Laws of Motion chapter hub.
Two point masses of mass m₁=f M and m₂=(1-f) M(f < 1) are in outer space (far from gravitational influence of other obj…
A car of mass 1000 ~kg is moving at a speed of 30 m / s. Brakes are applied to bring the car to rest. If the net retard…
An insect crawls up a hemispherical surface very slowly. The coefficient of friction between the insect and the surface…
This question has Statement 1 and Statement 2 . Of the four choices given after the Statements, choose the one that bes…
A particle of mass m is at rest at the origin at time t=0. It is subjected to a force F(t)=F₀ e⁻bt in the x direction.…
This question has statement 1 and statement 2. Of the four choices given after the statements, choose the one that best…
Sand is being dropped on a conveyer belt at the rate of 2 ~kg per second. The force necessary to keep the belt moving w…
A block of weight W rests on a horizontal floor with coefficient of static friction µ. It is desired to make the block…
A satellite moving with velocity v in a force free space collects stationary interplanetary dust at a rate of (d M)/(d…
An engine pumps water continuously through a hose. Water leaves the hose with velocity v and m is mass per unit length…