Laws of Motion PYQs - Last 10 Years

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Practice 127 JEE Main Physics questions from Laws of Motion. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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2018-2026

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127

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127PYQs

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INTEGER19.7%

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Last 10 Years Laws of Motion Questions

Showing 27 of 127 filtered questions.

1Laws Of Motion

A body of mass 'm' is launched up on a rough inclined plane making an angle of 30\(^\circ\) with the horizontal. The coefficient of friction between the body and plane is \({{\sqrt x } \over 5}\) if the time of ascent is half of the time of...

INTEGER+4 / -12021

2Laws Of Motion

When a body slides down from rest along a smooth inclined plane making an angle of 30\(^\circ\) with the horizontal, it takes time T. When the same body slides down from the rest along a rough inclined plane making the same angle and throug...

INTEGER+4 / -12021

3Laws Of Motion

An object of mass 'm' is being moved with a constant velocity under the action of an applied force of 2N along a frictionless surface with following surface profile.The correct applied force vs distance graph will be :

4Laws Of Motion

A block of mass m slides on the wooden wedge, which in turn slides backward on the horizontal surface. The acceleration of the block with respect to the wedge is : Given m = 8 kg, M = 16 kg Assume all the surfaces shown in the figure to be ...

5Laws Of Motion

A bullet of mass 0.1 kg is fired on a wooden block to pierce through it, but it stops after moving a distance of 50 cm into it. If the velocity of bullet before hitting the wood is 10 m/s and it slows down with uniform deceleration, then th...

INTEGER+4 / -12021

6Laws Of Motion

Two blocks (m = 0.5 kg and M = 4.5 kg) are arranged on a horizontal frictionless table as shown in figure. The coefficient of static friction between the two blocks is \({3 \over 7}\). Then the maximum horizontal force that can be applied o...

INTEGER+4 / -12021

7Laws Of Motion

A boy of mass 4 kg is standing on a piece of wood having mass 5 kg. If the coefficient of friction between the wood and the floor is 0.5, the maximum force that the boy can exert on the rope so that the piece of wood does not move from its ...

INTEGER+4 / -12021

8Laws Of Motion

A body of mass 1 kg rests on a horizontal floor with which it has a coefficient of static friction \({1 \over {\sqrt 3 }}\). It is desired to make the body move by applying the minimum possible force F N. The value of F will be ____________...

INTEGER+4 / -12021

9Laws Of Motion

A block of mass m slides along a floor while a force of magnitude F is applied to it at an angle \(\theta\) as shown in figure. The coefficient of kinetic friction is \(\mu\)k. then, the block's acceleration 'a' is given by :(g is accelerat...

10Laws Of Motion

A body of mass 2 kg moves under a force of \(\left( {2\widehat i + 3\widehat j + 5\widehat k} \right)\)N. It starts from rest and was at the origin initially. After 4s, its new coordinates are (8, b, 20). The value of b is _____________. (R...

INTEGER+4 / -12021

11Laws Of Motion

A mass of 10 kg is suspended by a rope of length 4 m, from the ceiling. A force F is applied
horizontally at the mid point of the rope such that the top half of the rope makes an angle of 45o
with the vertical. Then F equal : (Take g = 10 m...

12Laws Of Motion

An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls up the ditch but starts
slipping after it is at height h from the bottom. If the coefficient of friction between the ground and
the insect is 0.75, then h is :
(g...

13Laws Of Motion

A particle moving in the xy plane experiences a velocity dependent force
\(\overrightarrow F = k\left( {{v_y}\widehat i + {v_x}\widehat j} \right)\)
, where vx
and vy
are the x and y components of its velocity \(\overrightarrow v\)
. If ...

14Laws Of Motion

A spaceship in space sweeps stationary
interplanetary dust. As a result, its mass
increases at a rate \({{dM\left( t \right)} \over {dt}}\) = bv2(t), where v(t) is
its instantaneous velocity. The instantaneous
acceleration of the satellite ...

15Laws Of Motion

A small ball of mass m is thrown upward with velocity u from the ground. The ball experiences a
resistive force mkv2
where v is its speed. The maximum height attained by the ball is :

16Laws Of Motion

A block of mass 10 kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6. What should be the minimum value of force P, ...

17Laws Of Motion

A mass of 10 kg is suspended vertically by a rope from the roof. When a horizontal force is applied on the rope at some point. the rope deviated at an angle of 45o at the roof point. If the suspended mass is at equilibrium, the magnitude of...

18Laws Of Motion

A block kept on a rough inclined plane, as shown in the figure, remains at rest upto a maximum force 2 N down the inclined plane. The maximum external force up the inclined plane that does not move the block is 10 N. The coefficient of stat...

19Laws Of Motion

A spring whose unstretched length is l has a force constant k. The spring is cut into two pieces of unstretched
lengths l1 and l2 where, l1 = nl2 and n is an integer. The ratio k1/k2 of the corresponding force constant, k1 and
k2 will be :

20Laws Of Motion

A block of mass 5 kg is (i) pushed in case (A) and (ii) pulled in case (B), by a force F = 20 N, making an
angle of 30o with the horizontal, as shown in the figures. The coefficient of friction between the block and
floor is \(\mu\) = 0.2....

21Laws Of Motion

Two forces P and Q, of magnitude 2F and 3F, respectively, are at an angle \(\theta\) with each other. If the force Q is doubled, then their resultant also gets doubled. Then, the angle \(\theta\) is -

22Laws Of Motion

A ball is thrown upward with an initial velocity
V0 from the surface of the earth. The motion
of the ball is affected by a drag force equal to
m\(\gamma\)u2 (where m is mass of the ball, u is its
instantaneous velocity and \(\gamma\) is a...

23Laws Of Motion

Two blocks A and B of masses mA = 1 kg and mB = 3 kg are kept on the table as shown in figure. The coefficient of friction between A and B is 0.2 and between B and the surface of the table is also 0.2. The maximum force F that can be applie...

24Laws Of Motion

A bullet of mass 20 g has an initial speed of 1 ms–1
, just before it starts penetrating a mud wall of thickness
20 cm. If the wall offers a mean resistance of 2.5 × 10–2 N, the speed of the bullet after emerging from the
other side of the ...

25Laws Of Motion

A given object takes n times more time to slide down a \({45^ \circ }\) rough inclined plane as it takes to slide down a perfectly smooth \({45^ \circ }\) incline. The coefficient of kinetic friction between the object and the incline is :

26Laws Of Motion

A body of mass 2 kg slides down with an acceleration of 3 m/s2 on a rough inclined plane having a slope of \({30^o}\). The external force required to take the same body up the plane with the same acceleration will be : (g = 10 m/s2)

27Laws Of Motion

Two masses m1 = 5 kg and m2 = 10 kg, connected by an inextensible
string over a frictionless pulley, are moving as shown in the figure. The
coefficient of friction of horizontal surface is 0.15. The minimum
weight m that should be put on to...