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 may appear between a pair of solid and fluid Select the answer using the code given below

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…

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 statements about speed and velocity is correct?

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 dis…

Statement: An object of mass M is falling freely and its acceleration remains constant. Conclusion I: The velocity of the object increases uniformly. Conclusion II: The acceleration of the object dep…