Question Text
Question 1 :
When an object is immersed in water, it displaces $20\,kg$ of water. How much is the buoyant force acting on the object in Newtons?
Question 2 :
If the gravitational force of earth suddenly disappears, then which of the following is correct?
Question 3 :
What is the mass of an object whose weight is 980 N?
Question 4 :
The weight of a person on Earth is 600 N. His weight on Moon will appear as:
Question 5 :
A stone is attached at the end of a spring balance. The pointer shows 5 kg wt. Now the spring balance is released such that it is free to fall under the effect of gravity, the pointer will now give a reading equivalent to
Question 6 :
Fill in the blank.It is the ______ which makes balloon to rise in air. 
Question 8 :
The mass of a body is can be zero whereas the weight of a body can never be zero. True or false.
Question 9 :
How does the buoyant force acting on the boat change if the boat is loaded so that more of the boat is below the water?<br>
Question 10 :
If the density of a metal is 8.2 g/cc, its relative density is.
