Tag: ISC PHYSICS
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Calculating Tension in Connected Mass – Step by Step Guide
Question: Three blocks of masses 6 Kg, 3 Kg and 1 Kg are connected with light string kept on a smooth surface. A horizontal force F= 14 N is applied as shown below.Calculate the tension in each string. Solution: To identify the forces acting on each mass: Acceleration of all the blocks and the strings:…
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Forces and Tension: Calculating String Tension in Connected Masses on Smooth Surface
Question: Two bodies of masses 15 kg and 10 kg are connected with light string kept on a smooth surface. A horizontal force F=500 N is applied to a 15 kg as shown in the figure.Calculate the tension acting in the string. Solution: To identify the forces acting on each mass: Acceleration of all the…
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Cyclist Sharp Turn: Friction and Speed Impact
Question: A cyclist speeding at 18 Kmh-1 on a level road takes a sharp turn of radius 3 m without reducing the speed.The coefficient of friction between the tyre and the road is 0.1.Will the cyclist slip while taking the turn? Solution: Cyclist sharp turn Centripetal Force: Centripetal force acts inwards pulling the cyclist towards…
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Cricketer’s Ball Throw: Calculating Maximum Height
Question: A cricketer can throw a ball to a maximum horizontal distance of 100 m. How much high above the ground can the cricketer throw the same ball? Solution:Calculating the maximum height of the ball Projectile motion: Maximum horizontal distance(Range): Maximum range is attained when the ball is projected at an angle of 45o with…
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Determining Coefficient of Static Friction at 15 Degree Inclination
Question: A mass of 4 Kg rests on a horizontal plane.The plane is gradually inclined until an angle 15o with the horizontal, the mass just begins to slide.What is the coefficient of static friction between the block and the surface. Solution: Mass of the block 4 Kg Angle of inclination $${\theta=15^\circ}$$ At a particular angle…
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