Bihar TET · Mathematics and Science (Paper II)
Force, motion, work, energy and Newton's laws.
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Q1 · Force, Motion and Energy · EASY
A boy pushes a box with a force of 20 N. The box moves 5 m in the direction of the force. How much work is done by the boy?
Q2 · Force, Motion and Energy · EASY
According to Newton's second law of motion, if a constant force of 10 N is applied to a body of mass 2 kg, what will be its acceleration?
Q3 · Force, Motion and Energy · MEDIUM
A car of mass 1000 kg is moving at a speed of 20 m/s. What is its kinetic energy?
Q4 · Force, Motion and Energy · MEDIUM
A ball is thrown vertically upward with an initial velocity of 30 m/s. Assuming acceleration due to gravity is 10 m/s² and air resistance is negligible, what will be the maximum height reached by the ball?
Q5 · Force, Motion and Energy · MEDIUM
A ball rolling on a rough surface eventually comes to rest because of: