Question

A 0.35 kg ball moving in a circle at the end of a string has a centripetal acceleration of 5 m/s^2. What is the magnitude of the centripetal force exerted by the string on the ball to produce this acceleration?

Answer 1

Answer:

1.75 N

Explanation

centripetal force = mass × centripetal acceleration

                            =  0.35×5

                               =  1.75 N

Answer 2

Centripetal force is 1.75N

Concept

• Centripetal force is the force acting on an object in curvilinear motion directed towards the axis of rotation or center of curvature.
• Centripetal force is calculated by mass* centripetal acceleration.

How to solve this Problem?

• The mass of the ball given is 0.35kg
• The centripetal acceleration given is 5m/s^2
• We need to calculate the magnitude of the centripetal force .

Therefore.

Centripetal force = mass*centripetal acceleration

                              = 0.35*5

                              =  1.75N

Hence , the centripetal force is 1.75N

Learn about centripetal force here

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