State whether the following statements are true or false:(a) The veloc

1.	State whether the following statements are true or false:(a) The velocity ratio of a single fixed pulley is always more than 1.(b) The velocity ratio of a single movable pulley is always 2.(c) The velocity ratio of a combination of n movable pulleys with a fixed pulley is always 2n.(d) The velocity ratio of a block and tackle system is always equal to the number of strands of the tackle supporting the load.
Answer» (a) The velocity ratio of a single fixed pulley is always more than 1.(false) (b) The velocity ratio of a single movable pulley is always 2.(true) (c) The velocity ratio of a combination of n movable pulleys with a fixed pulley is always 2ⁿ.(true) (d) The velocity ratio of a block and tackle system is always equal to the number of strands of the tackle supporting the load. (true)

State whether the following statements are true or false:(a) The velocity ratio of a single fixed pulley is always more than 1.(b) The velocity ratio of a single movable pulley is always 2.(c) The velocity ratio of a combination of n movable pulleys with a fixed pulley is always 2n.(d) The velocity ratio of a block and tackle system is always equal to the number of strands of the tackle supporting the load.

Answer»

(a) The velocity ratio of a single fixed pulley is always more than 1.(false)

(b) The velocity ratio of a single movable pulley is always 2.(true)

(d) The velocity ratio of a block and tackle system is always equal to the number of strands of the tackle supporting the load. (true)

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