Question

A massless string is tied to a heavy ball whirling in a vertical plane.

1) At what angle is the tension in the string a minimum? a) 0^o, b) 45^o, c) 90^o, d) 180^o, or e) 270^o

2) At what angle is the tension in the string a maximum? a) 0^o, b) 45^o, c) 90^o, d) 180^o, or e) 270^o

3) The tension is independent of the length of the string.

4) At what angle is the string most likely to break? a) 0^o, b) 45^o, c) 90^o, d) 180^o, or e) 270^o

Other parameters being held equal, a change in the mass of the cycling objects above would change:

1) the speed of the plane. True or False

2) the speed of the car. True or False

3) the radius for an earth satellite. True or False

4) the tension in the string. True or False

5) the normal force on the water. True or False

6) the minimum speed required to keep the water in the bucket. True or False

Answer 1

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