Mass, Weight & Density
11 Questions
| Total Attempts: 469
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Questions and Answers
- 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) - ProProfs]( "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)")
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
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