- #1
dibilo
- 47
- 0
a small marble of mass m resting on the top of a smooth sphere of radius R. you nudge the marbles slightly and it starts rolling down the side. at what point (at what angle) on the sphere does the marble fall off the sphere?
ans: 48deg
...............
after reading my guess is that the marble will fall off when "a" (acceleration of marble) is equal or greater then mg
therefore mg=a
am i heading the right direction? what formula can i use... i can only think of a=v^2/R
ans: 48deg
...............
after reading my guess is that the marble will fall off when "a" (acceleration of marble) is equal or greater then mg
therefore mg=a
am i heading the right direction? what formula can i use... i can only think of a=v^2/R