A spherical mass on the end of a string is spinning in a vertical circle about p
ID: 1343300 • Letter: A
Question
A spherical mass on the end of a string is spinning in a vertical circle about point P. Which of the forces acting on the mass is the "centripetal force" when the mass is in position A?
1 The tension in the string.
2 The force of gravity (weight).
3 The force of drag (air resistance).
4 None of the above are correct.
Which of the forces acting on the mass contribute to the "centripetal force" when the mass is in position B, directly to the right of point P?
1The tension in the string.
2 The force of gravity (weight).
3 The force of drag (air resistance).
4 None of the above are correct.
Explanation / Answer
the centripetal force= m*v^2/r
which is always acts towards the center of the circle
in position A
4) none of the above are correct
in position B)
the tension in the string
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