Mass, Weight and Density

 1. What is termed as the quantity of matter contained in a body?
A   :   Density
B   :   Volume
C   :   Mass
D   :   Specific gravity

2. What is the force with which a body is attracted by the earth towards its centre?
A   :   Mass
B   :   Weight
C   :   Volume
D   :   Density

3. What is called mass per unit volume of a substances?
A   :   Mass
B   :   Weight
C   :   Density
D   :   Volume

4. What is called the ratio between the density of a substances density of water at 4°C?
A   :   Density
B   :   Specific gravity
C   :   Mass
D   :   Weight

5. What is the density of aluminium?
A   :   2.7 g/cm³
B   :   3.7 g/cm³
C   :   4.7 g/cm³
D   :   5.7 g/cm³

6. What is the mass if the density of a body is 7.6 g/cm³ and its volume is 25 cm³?
A   :   190 grams
B   :   200 grams
C   :   210 grams
D   :   220 grams

7. What is the specific gravity of the solid, if density of the solid is 19.5 g/cm³?
A   :   18.0
B   :   18.5
C   :   19.0
D   :   19.5

8. What is the density (r) in g/cm³ of an iron cube, if it weighs (W) 4.8 kg and volume (V) is 640 cm³?
A   :   6.6 g/cm³
B   :   6.9 g/cm³
C   :   7.2 g/cm³
D   :   7.5 g/cm³

9. What is the volume (V) of mercury in cm³, if mass (m) of mercury is 1 kg and density (r) is 13.6 g/cm³?
A   :   73.53 cm³
B   :   73.43 cm³
C   :   73.33 cm³
D   :   73.23 cm³

10. What is the mass in gram, if a force of 15 dynes acting on a mass m producing an acceleration of 2.5 cm/sec²?
A   :   9 grams
B   :   8 grams
C   :   7 grams
D   :   6 grams

11. What is the specific gravity of the metal, if the piece of metal weighs 150 grams in air and 125 grams in water?
A   :   6
B   :   10
C   :   15
D   :   25

12. What is the volume of mercury in cm³, if the mass (m) of mercury is 136 grams (g) and density (r) of mercury is 13.6 g/cm³?
A   :   136 cm³
B   :   13.6 cm³
C   :   10.6 cm³
D   :   10.0 cm³

13. What is the block weighs (W) in kg, if volume (V) is 320 cm³ and density 8.9 g/cm³?
A   :   2.948 kg
B   :   2.848 kg
C   :   2.648 kg
D   :   2.448 kg

14. What is the specific gravity of the metal, if the weighs 6.5 kgf in air and 3.5 kgf in water?
A   :   6.166
B   :   3.166
C   :   2.166
D   :   1.166

15. What is the weight force of a car has a mass of 800 kg?(Take g = 9.81m/sec)
A   :   7848 Newton
B   :   7748 Newton
C   :   7847 Newton
D   :   7487 Newton