Recent content by kevin17ym

Okay thx.

Oh I see. Thx

Forces acting on the ball: Tension and Gravitational force, in opposite direction. Sign: If we call the gravitational force negative, then the acceleration is positive. If the gravitational force is positive, then the acceleration is negative. So why does the magnitude of tension be greater than...

The exact value is not given but you can assume that the ball is in continuous rotation.

So, the correct answer should be mvv/r? Not the net force, since the question is asking how hard the ring pushes on her, not how hard does the person get pushed? Do you get 620N if you do mvv/r? also, v = wr

Homework Statement If you swing a ball in a vertical circle using a thin string, at the bottom of the circle the tension in the string must be greater than the ball's weight. True or false? Homework Equations F = mvv/r F = mg The Attempt at a Solution The correct answer, it says...

Homework Statement In an amusement park ride, passengers stand inside an 8m radius cylinder. Initially, the cylinder rotates with its axis oriented along the vertical. After the cylinder has acquired sufficient speed, it tilts into a vertical plane, that is, the axis tilts into the horizontal...