A centripetal force causes circular motion because it accelerates an object
2 answers:
Answer:
Towards the center of circle, which changes the direction of motion but not speed
Explanation:
The force acting on an object when it is moving in circular path is called centripetal force. The formula for centripetal force is given by :
Where
m = mass
v = velocity
r = radius of circle
In a circular path, the velocity of object changes continuously while its speed remains constant. The centripetal force acts towards the center of circle. Hence, the correct option is (a) " towards the center of circle, which changes the direction of motion but not speed ".
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Explanation:
An object is attached to the spring and then released. It begins to oscillate. If it is displaced a distance 0.125 m from its equilibrium position and released with zero initial speed. The amplitude of a wave is the maximum displacement of the particle. So, its amplitude is 0.125 m.
After 0.800 seconds, its displacement is found to be a distance 0.125 m on the opposite side. The time period will be,
We know that the relation between the time period and the time period is given by :
f = 0.625 Hz
So, the frequency of the object is 0.625 Hz. Hence, this is the required solution.