A 4.0-kg mass attached to the end of a string swings in a vertical circle of radius 2.0 m.When the string makes an angle of 35° with the vertical as shown,the speed of the mass is 5.0 m/s.At this instant what is the magnitude of the force the string exerts on the mass?
A)50 N
B)82 N
C)89 N
D)11 N
E)61 N

Question

A 4.0-kg mass attached to the end of a string swings in a vertical circle of radius 2.0 m.When the string makes an angle of 35° with the vertical as shown,the speed of the mass is 5.0 m/s.At this instant what is the magnitude of the force the string exerts on the mass? 
A)50 N 
B)82 N 
C)89 N 
D)11 N 
E)61 N

Quizplus · Accepted Answer

The Answer of A 4.0-kg mass attached to the end of a string swings in a vertical circle of radius 2.0 m.When the string makes an angle of 35° with the vertical as shown,the speed of the mass is 5.0 m/s.At this instant what is the magnitude of the force the string exerts on the mass? 
A)50 N 
B)82 N 
C)89 N 
D)11 N 
E)61 N

A 40-Kg Mass Attached to the End of a String Swings