A bowling ball is guided by a broom around a circle of radius R at constant spee
ID: 1364811 • Letter: A
Question
A bowling ball is guided by a broom around a circle of radius R at constant speed v. The centripetal forcce on the ball can be increased by a factor of 4 by
a
keeping the speed fixed and decreasing the radius by a factor of 2
b
keeping the speed fixed and increasing the radius by a factor of 2.
c
keeping the radius fixed and increasing the speed by a factor of 4.
d
keeping the speed fixed and decreasing the radius by a factor of 4.
e
keeping the radius fixed and decreasing the speed by a factor of 2.
f
keeping the radius fixed and increasing the period by a factor of 4.
g
keeping the radius fixed and decreasing the period by a factor of 4.
h
keeping the speed fixed and increasing the radius by a factor of 4.
a
keeping the speed fixed and decreasing the radius by a factor of 2
b
keeping the speed fixed and increasing the radius by a factor of 2.
c
keeping the radius fixed and increasing the speed by a factor of 4.
d
keeping the speed fixed and decreasing the radius by a factor of 4.
e
keeping the radius fixed and decreasing the speed by a factor of 2.
f
keeping the radius fixed and increasing the period by a factor of 4.
g
keeping the radius fixed and decreasing the period by a factor of 4.
h
keeping the speed fixed and increasing the radius by a factor of 4.
Explanation / Answer
F=mV2/R
Ans. d) keeping the speed fixed and decreasing the radius by a factor of 4
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