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The diagram alongside shows a pulley arr...

The diagram alongside shows a pulley arrangement :
Copy the diagram and mark the direction of tension on each strand of the string.

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The direction of tension (T) is marked in the diagram.
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The diagram below shows a pulley arrangemnet : (i) Copy the diagram and mark the direction of tension on each strand of the string. (ii) What is the velocity ratio of the arrangement ? (iii) If the tension acting on the string is T, then what is the relationship between T and effort E ? (iv) If the free end of the string moves through a distance x, find the distance by which the load is raised.

The diagram alongside shows a pulley arrangement. (a) Name the pulleys A and B. (b) In the diagram, mark the direction of tension on each strand of string. (c) What is the purpose of the pulley B? (d) If the tension is T, deduce the relation between T and E (e) What is the velocity ratio of the arrangement ? (f) Assuming that the efficiency of the system is 100%, what is the mechanical advantage ?

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

The diagram alongside shows a pulley arrangement : If the free end of the string moves through a distance x, find the distance by which the load is raised.

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) ?

Draw a diagram to show the various modes of vibration of a stretched string.

The diagram alongside shows a lever in use : To which class of levers does it belong ?

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 ?

Draw a diagram of a combination of three movable pulleys and one fixed pulley to lift up a load. In the diagram, show the directions of load, effort and tension in each strand. Find : (i) the mechanical advantage, (ii) the velocity ratio, and (iii) the efficiency of the combination, in the ideal situation.

One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram. Copy the diagram and mark on it the direction of the restoring force.

ICSE-QUESTION PAPER-2019-SECTION-II
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