When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of the force is equal to 1. the mass of the body 2. the weight of the displaced fluid by the body Which of the above is/are correct?

All objects experience a buoyancy when they are immersed in a fluid. Buoyancy is

An iron nail sinks in water whereas an iron ship floats. Which of the following statements is correct in this regard? 1. Average density of ship is greater than that of the water 2. Average density o…

Which of the following statements give characteristics of contact forces ? 1. It appears between an object when it is in contact with some other object 2. It satisfies the third law of motion 3. It m…

Weight and mass of an object are defined with Newton's laws of motion. Which among the following is true ?

Which one of the following equations related to the motion of an object is NOT correct? (Symbols carry their usual meanings)