Question

QLT 5.5 Calculate the requirements for equilibrium. In the picture below, several forces operate on an extended object. Assume the object is 3 m long. a) Calculate the net torque and the net force on this object assuming the fulcrum is on the far left. b) Suppose a single force is added such that the body does not exhibit linear acceleration. What is the magnitude and direction of that force? c) Where should this force be located such that the net torque is 0 ? Draw it on the picture or discuss why this is impossible.

          QLT 5.5 Calculate the requirements for equilibrium.
In the picture below, several forces operate on an extended object. Assume the object is 3 m long.
a) Calculate the net torque and the net force on this object assuming the fulcrum is on the far left.
b) Suppose a single force is added such that the body does not exhibit linear acceleration. What is the magnitude and direction of that force?
c) Where should this force be located such that the net torque is 0 ? Draw it on the picture or discuss why this is impossible.

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QLT 5.5 Calculate the requirements for equilibrium.
In the picture below, several forces operate on an extended object. Assume the object is 3 m long.
a) Calculate the net torque and the net force on this object assuming the fulcrum is on the far left.
b) Suppose a single force is added such that the body does not exhibit linear acceleration. What is the magnitude and direction of that force?
c) Where should this force be located such that the net torque is 0 ? Draw it on the picture or discuss why this is impossible.

Added by Joel W.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Adi S

Step 1

- The object is 3 m long, so \( L = 3 \, \text{m} \). - Forces: - \( 90 \, \text{N} \) at \( 40^\circ \) - \( 80 \, \text{N} \) downward - \( 40 \, \text{N} \) at \( 32^\circ \) - \( 50 \, \text{N} \) at \( 30^\circ \) - \( 50 \, \text{N} \) horizontal Show more…

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QLT 5.5 Calculate the requirements for equilibrium. In the picture below, several forces operate on an extended object. Assume the object is 3 m long. a) Calculate the net torque and the net force on this object assuming the fulcrum is on the far left. b) Suppose a single force is added such that the body does not exhibit linear acceleration. What is the magnitude and direction of that force? c) Where should this force be located such that the net torque is 0 ? Draw it on the picture or discuss why this is impossible.

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