Newton's laws, friction, dynamics of circular motion.
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Q1 · Laws of Motion (1st PUC) · MEDIUM
A block of mass 5 kg is placed on a rough horizontal surface. The coefficient of friction between them is 0.4. The minimum force required to just move the block is (g = 10 m/s²)
Q2 · Laws of Motion (1st PUC) · EASY
Newton's first law of motion defines
Q3 · Laws of Motion (1st PUC) · HARD
Two blocks of masses 2 kg and 3 kg are connected by a string passing over a frictionless pulley. The acceleration of the system is (g = 10 m/s²)
Q4 · Laws of Motion (1st PUC) · MEDIUM
A block of mass 5 kg is placed on a rough horizontal surface with coefficient of friction 0.4. A horizontal force of 30 N is applied to the block. The acceleration of the block is: (g = 10 m/s²)