Question 1 :
The ratio of the inertial mass to gravitational mass is equal to:
Question 2 :
The force of gravity on a body of mass W on the surface of the earth is
Question 3 :
Fill in the blank. If a substance's density is less than one then the substance is _________ than reference.<br/>
Question 4 :
Buoyant force acting on an object is equal to the ___
Question 5 :
The relative density of a steel ball will be lowest with respect to:
Question 6 :
How much mass (approximately) of a body one can hold, when a force of 1N is applied on it ?
Question 8 :
Weight of a body is a scalar quantity. True or false.
Question 9 :
The SI unit of weight is the same as that of:
Question 10 :
The mass of a body is can be zero whereas the weight of a body can never be zero. True or false.
Question 11 :
The unit of mass in SI system is ______ and the unit of weight in SI system is _______.
Question 12 :
State whether true or false:The deeper an underwater swimmer goes, the more strongly the water pushes on his body and the greater is the pressure that he experiences.<br/>
Question 13 :
A U-tube is partially filled with water.Oil which does not mix with water is next poured into one side, until water rises by 25 cm on th other side.If the density of oil is 0.8, the oil level will stand higher than the water level by
Question 14 :
Fill in the blanks:Value of gravitational constant (G) on moon is __________ as on earth.
Question 15 :
If W be the weight of the body and U be the upthrust force oft he liquid on the body then what happens if W=U<br>
Question 16 :
Assertion: The weight of an object changes from place to place but not mass.
Reason: The weight of the object is independent of the value of g
Question 19 :
Fill in the blank.It is the ______ which makes balloon to rise in air.