nswer the following questions without doing any calculations

nswer the following questions without doing any calculations. Observe the system while you are spinning it and think about what we learned so far. 1. What happens to the bob as you spin it faster (increase tangential speed)? The bob goes farther away from the center of the rotating shaft. The radius of the circle increases. The bob stays aligned directly over the pointer. The radius of the circle stays the same. o The bob comes in towards the center of the rotating shaft. The radius of the circle decreases. 2. How does spinning the bob faster affect the period (time required for 1 full revolution)? The period increases. It takes more for the bob to go around once. The period stays the same. The period decreases. It takes less time for the bob to go around once. 3. What happens to the centripetal force acting on the pointy bob as you spin it faster (Hint: You could look back on the first page to remind yourself of the formulas)? The centripetal force increases. o The centripetal force stays the same. o The centripetal force decreases. 53

Solution

1) If you spin the bob faster

the bob stays aligned directly over the pointer.

2)spinning the bob faster affect the period

Period of Bob remain the same.

3)what happens to centripital force acting on the pointary bob

centripital force increases