Question

A 3.0 cm sphere 4.0 cm3 cone.6.0emd cube and a 5.0 cm pyramid are used in a dynamics lab activity The specific gravity for each of these objects is as follows: sphere (0.90) cone (0.70), cube (0.40) and pyramid (0.60) Rank these objects in order of their resistance to change in motion (from greatest to least).A. pyramid, cone, sphere, cube B. cube, pyramid, cone, sphere C. sphere, cone, pyramid, cube D. None of the above.

Answer 1

Option(A) is the correct answer to the given question .

Step-by-step explanation:

Firstly we have to find the corresponding weight of sphere ,cone,cube ,pyramid respectively .

`Weights\ of\ sphere\ =\ 0.9*3\\= 2.7g \\Weight \ of \ cone\\=\ 0.7*4\\= 2.8g, \\Weight \ of\ cube\ \\=\ 0.4*6\\= 2.4g,\\Weight\ of\ pyramid = \0.6*5\\= 3g`

As We see that the weight of pyramid is high then cone then sphere then cube

Therefore Resistance order is pyramid, cone, sphere, cube .

So Option(A) is correct answer .