Free physics question bank
kinetic enegy and work engery theorem questions with solutions
Practice Work , Power and Energy for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 18 questions
- MCQmediumWork , Power and Energy
A 1 kg block moving along the x-axis with speed 10 m/s enters a rough region from x = 0.1 m to x = 1.9 m. The retarding force in this region is F = -kx, with k = 10 N/m. The speed of the block when it leaves the rough region is:
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JEE Mains 2025 3 April Evening Shift
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Four particles A, B, C, D of mass m/2, m, 2m, 4m, have same momentum, respectively. The particle with maximum kinetic energy is :
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JEE Mains 2024 06 Apr Morning Shift
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A raindrop of mass 1 g starts from rest at a height of 1 km above the ground. It reaches the ground with a speed of 5 m·s⁻¹. Taking g = 10 m·s⁻², what is the work done by the unknown resistive force during the fall?
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JEE Mains 2026 6 April Morning Shift
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In the arrangement shown in the figure, masses 6 kg and 2 kg are connected by a light inextensible string passing over a massless pulley. The 6 kg mass is released from rest when it is 6 m above the ground. Taking g = 10 m·s⁻², what is its speed just before it strikes the ground?
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JEE Mains 2026 6 April Evening Shift
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Given below are two statements: Statement I: A truck and a car moving with the same kinetic energy are brought to rest by equal retarding forces. Both stop in equal distances. Statement II: A car moving east takes a turn and then moves north with unchanged speed. Its acceleration is zero. Choose the correct answer.
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JEE Mains12 April 2023Shift 1Morning Shift
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An object is projected with kinetic energy K from a point A at an angle 60° with the horizontal. The ratio of the difference in kinetic energies points B and C to that at point A (see figure), in the absence of air friction is :
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JEE Mains 202623 January Morning Shift
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A particle is projected at 60° to the horizontal. If its initial kinetic energy is KE₀ and the kinetic energy at maximum height is KE₀/x, find x.
JEE Mains 2025 23 Jan Evening Shift
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Two bodies have kinetic energies in the ratio 16:9 and the same linear momentum. Their masses are in the ratio:
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JEE Mains13 April 2023Shift 1Morning Shift
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A spherical body of mass 2 kg starting from rest acquires a kinetic energy of 10000 J at the end of 5th second. The force acted on the body is ____ N.
JEE Mains24 January 2023Shift 1Morning Shift
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A body of mass 1 kg moves along a straight line with speed given by v = 2x², where x is measured in metres and v in m·s⁻¹. What is the net work done on the body as it moves from x = 0 to x = 5 m?
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JEE Mains 2026 6 April Evening Shift
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