Work-Energy Theorem

JEE Main Physics · Work, Power and Energy · 9 questions, latest first

• A body of mass 1 kg moves along a straight line with a velocity v=2 x^2. The work done by the body during displacement from x=0…20266 April, Shift 2 · Q29
• The rain drop of mass 1 g, starts with zero velocity from a height of 1 km. It hits the ground with a speed of 5 m / s. The work…20266 April, Shift 1 · Q28
• A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into sand. The average…20262 April, Shift 2 · Q36
• A body of mass 2 kg is moving along x -direction such that its displacement as function of time is given by x(t)=α t^2+β t+γ m,…202621 January, Shift 2 · Q31
• A particle of mass m moves on a straight line with its velocity increasing with distance according to the equation v=α √x, where…20249 April, Shift 1 · Q35
• The bob of a pendulum was released from a horizontal position. The length of the pendulum is 10 m. If it dissipates 10 % of its…202429 January, Shift 2 · Q35
• Given below are two statements: Statement I: A truck and a car moving with same kinetic energy are brought to rest by applying…202312 April, Shift 1 · Q33
• A closed circular tube of average radius 15 cm, whose inner walls are rough, is kept in vertical plane. A block of mass 1 kg just…202310 April, Shift 1 · Q54
• A lift of mass M=500 kg is descending with speed of 2 ms^-1. Its supporting cable begins to slip thus allowing it to fall with a…202331 January, Shift 1 · Q23