Question

1)936g of a body has a volume of 120 cm³ calculate it's density
2) Weight of an object on Earth is 21.6N, on Moon it will be?​

Answer 1

Answer:

1) density = mass/ volume

= 936/120

=7.8 g/cm^3

2) weight of object = 21.6 N = mass × g

mass = 21.6/9.81 =2.201 kg

weight on moon = mass× g of moon

= 2.201×1.625 = 3.577N

Answer 2

1)

We know that,

• Density = Mass / Volume

Now, just put all the values in formula;

• Density = Mass / Volume

Density = 936/ 120

Density = 468 / 60

Density = 7.8 gram cm-³

2)

We know that, weight of an object is 1/6th the weight of that object on Earth,so;

• 1/6 × 21.6
• 3.6 N

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