Notes in 1.3. Laws of Motion

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Published	07/07/2023	23.
Published	07/07/2023	24. A system of two blocks of masses m = 2 kg and M = 8 kg is placed on a smooth table as shown in figure. The coefficient of static friction between …
Published	07/07/2023	25• A block of mass 2 kg moving on a horizontal surface with speed of 4 ms-1 enters a rough surface ranging from x = 0.5 m to x = 1.5 m. The retarding…
Published	07/07/2023	26. Three masses M = 100 kg, \(m_1\) = 10 kg and \(m_2\)=20 kg are arranged in a system as shown in figure. All the surfaces are frictionless and stri…
Published	07/07/2023	27. A monkey of mass 50kg climbs on a ropewhich can withstand the tension (T) of 350N.If monkey initially climbs down with anacceleration of 4m/s2 and…
Published	07/07/2023	28. A bag is gently dropped on a conveyor belt moving at a speed of 2 m/s. The coefficient of friction between the conveyor belt and bag is 0.4 Initia…
Published	07/07/2023	29. A particle experiences a variable force\(\overrightarrow{F} \) \(=\) \( (4x \hat{i} + 3y^2 \hat{j} ) \) in a horizontal x-y plane. Assume dis…
Published	07/07/2023	30. A ball of mass 100 g is dropped from a height h = 10 cm on a platform fixed at the top of vertical spring (as shown in figure). The ball stays on …
Published	07/07/2023	31. A disc with a flat small bottom beaker placed on it at a distance R from its center is revolving about an axis passing through the center and perp…
Published	07/07/2023	32.  One end of a massless spring of spring constant \(k\) and natural length \(l_o\) is fixed while the other end is connected to a sm…
Published	07/07/2023	33. A ball is spun with angular acceleration \(\alpha\) \(=\) \(6t^2-2t\) where t is in second and u is in rads-2. At t = 0, the ball h…
Published	07/07/2023	34. A particle of mass 500 gm is moving in a straight line with velocity \(v\) \(=\) \(b \space x^{5/2} \) . The work done by the net force during its…
Published	07/07/2023	35. The velocity of the bullet becomes one third after it penetrates 4 cm in a wooden block. Assuming that bullet is facing a constant resistance duri…
Published	07/07/2023	36.
Published	07/07/2023	37.
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