Question

5.2.2 What advantage will the man have , by using the pulley system , instead of just picking it up?
5.3 what is this function of a crank?

5.4 Complete the sentence:

A crank __________ mechanical advantage by increasing the _______ between the _________ and central shaft . [increase , decrease , handle , distance]

5.5 Name TWO example of where crank are used in machines.



Answer all questions in short 1 sentences

Answer 1

5.2.2 The man will have reduced effort when using the pulley system, allowing him to lift heavier objects more easily compared to lifting them directly.

5.3 The function of a crank is to convert rotational motion into linear motion or vice versa.

5.4 A crank increases mechanical advantage by increasing the distance between the handle and central shaft.

5.5 Two examples of where cranks are used in machines are bicycle pedals and the internal combustion engine's crankshaft.