Gravitation and Floatatio
Which one of the following formula is correct for pressure?
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
A man drops a pencil from a height 2 m. With what speed does it strike the ground?
What is the value of acceleration due to gravity on the earth?
What do we called the upward force acting on an object immersed in the liquid?
At a place, value of g is less by 1% than its value on the surface of the Earth (Radius of Earth = 6400 km). The place is
A tank 2 m high is half filled with water and then filled to the top with oil of density 0.60 g/cc. What is the pressure at the bottom of the tank due to these liquids?
Which of the following will require least force to penetrate the piece of wood?
Three balls P, Q and R are kept in a straight line. The separation between P and R is 1m, and Q is placed at the midpoint between them. The masses of P, Q, R are 200 g, 300 g and 400 g respectively. Find the net gravitational force on P, Q and R respectively.
Consider the following figures 1 and 2. In figure 1, the mass of the body A in air is 0.2 kg. The mass of the water container (with water in it) is 0.5 kg. In figure 2, when A is completely immersed in the water of the container B, the readings of the respective balances change as shown.What is the value of X?