Mass, Weight & Density

11 Questions | By Zamriscience | Updated: Mar 21, 2022 | Attempts: 967

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1.

A container, of mass 50g, contains 40cm3 of the liquid. If total mass of the container and liquid is 70g, What is the density of the liquid?
- A.
  
  0.50 g/cm3
- B.
  
  0.80 g/cm3
- C.
  
  1.40 g/cm3
- D.
  
  2.00 g/cm3
2.

An astronaut on the Moon has
- A.
  
  The same weight and mass as on the Earth
- B.
  
  The same weight but less mass as on the Earth
- C.
  
  Less weight but the same mass as on the Earth
- D.
  
  Less weight and less mass as on the Earth
3.

The SI unit for mass is ......
- A.
  
  Kg
- B.
  
  N
- C.
  
  G
- D.
  
  N/Kg
4.

The SI unit for Weight is ......
- A.
  
  Newton
- B.
  
  Kilogram
- C.
  
  Gram
- D.
  
  Newton per Kilogram
5.

A room measures 4.0m x 3.0m x 2.0cm. The density of the air in the room is 1.3kg/m3.What is the mass of air in the room?
- A.
  
  0.054 kg
- B.
  
  0.312 kg
- C.
  
  31 kg
- D.
  
  24 kg
6.

The weight of a rock on the Moon is 400N. What is the weight of the rock on Earth?(take gravitational field of the Moon is 1.7N/Kg and on Earth as 10N/Kg)
- A.
  
  40N
- B.
  
  400N
- C.
  
  235N
- D.
  
  2350N
7.

AN instrument use to measure Weight is ........
- A.
  
  Beam balance
- B.
  
  Simple balance
- C.
  
  Spring balance
- D.
  
  Electronic balance
8.

10 kg of iron and 10 kg of feather are put into sack X and sack Y respectively.Which of the following statements is true?
- A.
  
  Sack X has a larger volume than sack Y
- B.
  
  Sack X has a larger ma than sack Y
- C.
  
  Sack Y is denser than sack X
- D.
  
  Sack Y has the same weight as sack X
9.

A 100kg rock is being hung freely on the Moon. When an astronaut pushes the rock upwards, he will feel that
- A.
  
  The rock is easier to push than on Earth
- B.
  
  The rock is more difficult to push than on Earth
- C.
  
  The rock requires as much effort to push as on Earth
- D.
  
  The rock requires no effort to push
10.

BONUS QUESTION!A cube of side 1 m has a mass of 7500 kg before a through hole of diameter50 cm is drilled on it. The hole is then completely filled with cement of density3.2 g/cm3. What is the density of the composite object?ANSWER = _____________ kg/m3(use pi as 3.14 AND answer in 2 decimal places)
11.

The SI unit for density is ......
- A.
  
  Kg/m3
- B.
  
  G/m3
- C.
  
  N/kg
- D.
  
  Kg/m