What forces act on the suspended mass and is it in motion?

In summary, torque is a measure of rotational force and is calculated by multiplying the force applied to an object by the distance from the pivot point to the point where the force is applied. The unit of measurement for torque is typically newton-meters (N*m) or foot-pounds (ft*lbs). The direction of the force affects the torque by changing its direction and an example of a real-life application of torque is using a wrench to tighten a bolt.
  • #1
AeroVector
7
0
I cannot for the life of me figure out how to do this

A light string has its ends tied to two walls separated by a distance equal to 7L/8 the length of the string. A 95 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of length L/ 2 tied to the wall?

The acceleration of
gravity is 9.8 m/s squared

Thank you in advance !
 
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  • #2
Consider the free body diagram of the mass. What forces act on it? Is the mass static or in motion?
 

FAQ: What forces act on the suspended mass and is it in motion?

What is torque and how is it related to force?

Torque is a measure of the rotational force applied to an object. It is related to force because it is the product of the force vector and the distance from the pivot point to the point where the force is applied.

How do you calculate torque?

Torque is calculated by multiplying the force applied to an object by the distance from the pivot point to the point where the force is applied. This can be represented by the equation T = F * d, where T is torque, F is force, and d is distance.

What is the unit of measurement for torque?

The unit of measurement for torque is typically newton-meters (N*m) in the SI system, or foot-pounds (ft*lbs) in the English system.

How does the direction of the force affect the torque?

The direction of the force applied to an object affects the torque by changing the direction of the rotational force. If the force is applied perpendicular to the lever arm, it will have the maximum effect on the torque. If the force is applied at an angle, the torque will be reduced proportionally.

Can you give an example of a real-life application of torque?

One example of a real-life application of torque is when using a wrench to tighten a bolt. The force applied to the handle of the wrench creates a rotational force, or torque, on the bolt, allowing it to be tightened or loosened.

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