engineering mechanics Archives

Anonymous

Asked: 3 months agoIn: Mechanical Engineering

A block weighing 500 N just starts moving down a rough inclined plane when it is subjected to 200 N force acting up the inclined plane and it is at the point of moving up the plane when pulled up by a force of 300 N parallel to the plane. Find the inclination of the plane and the coefficient of friction between the inclined plane and the block.

A block weighing 500 N just starts moving down a rough inclined plane when it is subjected to 200 N force acting up the inclined plane and it is at the point of moving up the plane when ...Read more

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.

Anonymous

Asked: 2 months agoIn: Mechanical Engineering

A ball of weight Q = 121b rests in a right-angled trough, as shown in Fig. B. Determine the forces exerted on the sides of the trough at D and E if all surfaces are perfectly smooth.

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

A ball of weight Q=12lb rests in a right angles trough, as shown in figure B.Determine the forces exerted on the sides of the trough at D and E if all surfaces are perfectly smooth.

Anonymous

Asked: 3 months agoIn: Mechanical Engineering

Block A weighing 1000 N rests over block B which weighs 2000 N as shown in Fig. Block A is tied to a wall with a horizontal string. If the coefficient of friction between A and B is 1/4 and that between B and the floor is 1/3, what value of force P is required to create impending motion if (a) P is horizontal, (b) P acts 30° upwards to horizontal?

Block A weighing 1000 N rests over block B which weighs 2000 N as shown in Fig. Block A is tied to a wall with a horizontal string. If the coefficient of friction between A and B is ...Read more

Anonymous

Asked: 3 months agoIn: Mechanical Engineering

Two cables tied together at Care loaded as shown. Knowing that the maximum allowable tension is 1200 N in cable AC and 600 N in cable BC, determine (a) the magnitude of the largest force P that can be applied at C. (b) the corresponding value of a

Two cables tied together at Care loaded as shown. Knowing that the maximum allowable tension is 1200 N in cable AC and 600 N in cable BC, determine (a) the magnitude of the largest force P that can ...Read more

Mazurek GravityPundit

Asked: 3 months agoIn: Mechanical Engineering

What is the value of P in the system shown in Fig. below to cause the motion to impend? Assume the pulley is smooth and coefficient of friction between the other contact surfaces is 0.2.

Mazurek GravityPundit

Asked: 3 months agoIn: Mechanical Engineering

If angle of BC with horizontal is 20° then find out tension in AC and BC.

Anonymous

Asked: 2 months agoIn: Mechanical Engineering

Knowing that the coefficient of friction between the 25-kg block and the incline is 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of β.

Knowing that the coefficient of friction between the 25-kg block and the incline is 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of β.

VishalProfessional

Asked: 3 months agoIn: Mechanical Engineering

In a lifting machine in which velocity ratio is 30, a load of 5000 N is lifted with an effort of 360 N. Determine whether it is self-locking or reversible machine. How much is the frictional resistance?

In a lifting machine in which velocity ratio is 30, a load of 5000 N is lifted with an effort of 360 N. Determine whether it is self-locking or reversible machine. How much is the frictional resistance?

Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.

A ball of weight Q = 121b rests in a right-angled trough, as shown in Fig. B. Determine the forces exerted on the sides of the trough at D and E if all surfaces are perfectly smooth.

A ball of weight Q=12lb rests in a right angles trough, as shown in figure B.Determine the forces exerted on the sides of the trough at D and E if all surfaces are perfectly smooth.

Two cables tied together at Care loaded as shown. Knowing that the maximum allowable tension is 1200 N in cable AC and 600 N in cable BC, determine (a) the magnitude of the largest force P that can be applied at C. (b) the corresponding value of a

What is the value of P in the system shown in Fig. below to cause the motion to impend? Assume the pulley is smooth and coefficient of friction between the other contact surfaces is 0.2.

If angle of BC with horizontal is 20° then find out tension in AC and BC.

Knowing that the coefficient of friction between the 25-kg block and the incline is 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of β.

In a lifting machine in which velocity ratio is 30, a load of 5000 N is lifted with an effort of 360 N. Determine whether it is self-locking or reversible machine. How much is the frictional resistance?

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