Web1 Sep 2015 · The tension in the string is what makes the body change its direction all the time so the path is circular. If in the highest point the rope is not tight, then the body was … WebIt depends on the velocity of the ball at the bottom most point. If it is given the minimum velocity equal to (5gr)^1/2 Then the velocity at highest point will be (gr)^1/2 and tension would be zero. If the velocity is greater than (5gr)^1/2 then the tension at the highest point would increase. 4 Quora User

Why does tension in string become zero when it is at the top most …

Web11 Apr 2024 · The tension force points towards the center of the circle the entire time, since tension can only act along the cord which is always a radius of the circle. ... Why does … Web2 Apr 2024 · Here, v is the velocity of the stone at the topmost point and r is the radius of the circle. Therefore, we can write, \[\dfrac{{m{v^2}}}{r} = mg + T\] At the topmost position in … dotsy\u0027s st thomas

A particle has velocity √(3rg) at the highest point in a vertical ...

Web11 Jun 2016 · A 2 kg ball swings in a vertical circle on the end of an 80 cm long string. The tension in the string is 20 N when its angle from the highest point on the circle is theta = 30 degrees. What is the ball's speed at this angle? WebStudy with Quizlet and memorize flashcards containing terms like An elevator suspended by a cable is descending at constant velocity. How many force vectors would be shown on a free-body diagram?, An elevator suspended by a cable is descending at constant velocity. Name them., Point P in the figure indicates the position of an object traveling at constant … Web14 Feb 2024 · If its speed at the highest point is √3rg, the tension in the string at the lowest point is (A) 5 mg (B) 6 mg (C) 7 mg (D) 8 mg. rotational dynamics; class-12; Share It On ... A small body tied to a string is revolved in a vertical circle of radius r such that its speed at the top of the circle is √(2gr). dot tablet mounted