Class 10 FRANK Solutions Physics Chapter 1.3 - Simple Machines
Find out what is an ideal machine with TopperLearning’s Frank Solutions for ICSE Class 10 Physics Chapter 1.3 Simple Machines. Relearn the definitions of terms such as velocity ratio, single movable pulley etc. Practise diagrams related to pulley arrangement and learn the fascinating science behind the functioning of a pulley. In addition, revise the relation between efficiency, mechanical advantage and velocity ratio.
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Simple Machines Exercise 28
(i) To multiply force
(ii) To obtain a gain or decrease in speed
(iii) To change to direction of application of force in a convenient direction
(ii) A lever is used to change the point of application of force.
(iii) A pulley is used to change the direction of application of force.
(iii) Gears are used to multiply speed.
Simple Machines Exercise 29
(a) A jack is used to multiply force.
(b) Gears are used to multiply speed.
(c) A pulley is used to change the direction of application of force.
(i) To change the direction of application of force to a convenient direction.
(ii) To multiply force.
Yes, a pulley is a force multiplier