Gravity is also called gravitation and it is a force that exists among all material objects in the universe. Gravity gives weight to physical objects on earth, and the ocean tides occur due to the gravity of the moon. So take this quiz and increase your knowledge about gravitation.
1. The value of acceleration due to gravity......
A. Is same on equator and poles
B. Is least on pole
C. Is least on equator
D. Increase from pole to equator
2. Mass per unit volume is called......
A. Pressure
B. Density
C. Weight
D. Thrust
3. The force acting on an object perpendicular to the surface is called.....
A. Pressure
B. Density
C. Thrust
D. Weight
4. The S.I unit of relative density is.....
A. Cm
B. M
C. Pa
D. Unitless
5. The purity of milk is determined by an instrument called.....
A. Potentiometer
B. Lactometer
C. Hydrometer
D. Milkometer
6. According to Archimedes's principles, the upward force acting on an object is to be equal to......
A. Density of object
B. Density of water
C. Weight of fluid displaced
D. Weight of object inside fluid
7. If a body display more fluid than its weight, it will.....
A. Float above the surface of fluid
B. Float below the surface of fluid
C. Sink to the bottom of the fluid
D. Can be anywhere inside the fluid
8. The force exerted by a fluid in the upward direction is called.....
A. Pressure
B. Weight
C. Buoyant force
D. None of these
9. The Law of gravitation gives the gravitational force between.....
A. The earth and a point mass only
B. The earth and sun only
C. Two charged bodies only
D. Any two bodies having some mass
10. The value of quantity G in the law of gravitation.....
A. Depend on mass of earth only
B. Depend on both mass and radius of earth
C. Depend on radius of earth only
D. Is independent of mass and radius of the earth
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