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Ever wondered how to break down a force or velocity into its individual parts? This post dives deep into the fundamental principles of vector resolution, specifically focusing on the straightforward calculation of a vector’s magnitude and its vertical component when…
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Calculating Force: Magnitude and Direction in Physics
Question: A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 ms-1 to 3.5 ms-1 in 25 sec. The direction of the motion of the body remains unchanged. What is the magnitude and direction…
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Calculation of average retarding force : to save a child on road
Question: The driver of a three-wheeler moving with a speed of 36 Kmh-1 sees a child standing in the middle of the road and brings his vehicle to rest in 4.0 s just in time to save the child.What is…
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Calculating Stopping Time for a Body under Constant Retarding Force
Question: A constant retarding force of 50 N is applied to a body of mass 20 Kg moving initially with a speed of 15 ms-1 .How long does the body take to stop? Solution: Stopping time calculation: Calculating the acceleration:…
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Determining the Angle Formed at the Middle of the String in a Pulley-block system
Question: Determine tha angle formed at the middle of the string where a block of mass $${\sqrt2 \ m}$$ is hanging as shown below where the pulleys are smooth and the string used is inextensible. Solution: Free body diagram of…
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