Catégorie : PHYSICS
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Projectile Motion Physics: Range Calculation and Moon Comparison
Question: Suppose an object is thrown with an initial speed of 10 ms-1 at an angle 450 with the horizontal,what is the range covered? Suppose the same object is thrown similarly in the moon, will there be any change in the range?If yes, what is the change? (Acceleration due to gravity in the moon gmoon…
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Vector Magnitude and Vertical Component Calculation at 30 degree Angle
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 the angle is exactly 30 degrees. Discover the simple trigonometric relationships that make this process…
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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 of the force? Solution: Calculating the Acceleration: Initial velocity of the body $${u=2 \ \frac{m}{s}}$$…
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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 the average retarding force on the vehicle? The mass of the three-wheeler is 400 Kg…
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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: $${Acceleration =\frac{Force}{Mass}}$$ $${Acceleration =\frac {50 \ N}{20 \ Kg}}$$ $${Acceleration= 2.5 \ \frac{m}{s^2}}$$ Retardation: Retardation…
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