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Draw a diagram to show a block and tackl...

Draw a diagram to show a block and tackle pulley system having a velocity ratio of 3 marking the direction of load (L), effort (E) and tension (T).

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A pulley system has a velocity ratio 3. draw a diagram showing the point of applicationi and direction of load (L), effort (E) and tension (T). It lifts a load of 150 N by an effot of 60 N. calculate its mechanical advantage. Is the pulley system ideal ? Give reason.

Draw a diagram of a block and tackle system of pulleys having a velocity ratio of 5. in your diagram indicate clearly the points of application and the directions of the load L and effort E. also mark the tension T in each strand.

You are given four pulleys and three strings. Draw a neat and labelled diagram to use them so as to obtain a maximum mechanical advantage equal to 8. In your diagram mark the directions of load L, effort E and tension in each strand. What assumptions have you made to Obtain the required mechanical advantage ?

The diagram alongside shows an arrangement of three pulleys A,B and C. the load is marked as L and the effort as E. (a) Name the pulleys A,B and C. (b) Mark in the diagram the directions of load (L), effort (E) and tension T_1 and T_(2) in the two strings. (c) How are the magnitudes of L and E related to the tension T_(1) ? (d) Calculate mechanical advantage and velocity ratio of the arrangement. (e) What assumptions have you made in parts (c) and (d) ?

The diagram alongside shows a pulley arrangement : What is the velocity ratio of the arrangement ?

A block and tackle system has V.R. = 5. Draw a neat labelled diagram of a system indicating the direction of its load and effort.

Draw a diagram to show how a single pulley can be used so as to have its ideal M.A. = 2.

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A block and tackle system has velocity ratio 3. draw a labelled diagram of the system indicating the points of application and the direction of load L and effort E. A man can exert a pull of 200 kgf. (a) What is the maximum load he can raise with this pulley system if its efficiency is 60% ? (b) if the effort end moves a distance 60 cm, what distance does the load move ?

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