Question 1 What are non-contact forces. Give few examples? Question 2 When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. Which force is involved in this process? Question 3 A small piece pulls iron nails from a distance. Which force is involved in this process? Question 4 An inflated balloon was pressed against a wall after it has been rubbed … [Read more...] about Non-contact forces
Force and pressure
Contact force
Question 1 What are contact forces? Question 2 Name 2 types of contact forces? Question 3 Name the force which always opposes motion? Question 4 Which force makes a rolling ball stop of its own? Question 5 What is muscular force. Give example? Question 6 What is frictional force. Give example? Question 7 Name the type of force involved when a moving boat … [Read more...] about Contact force
Effects of Force
Question 1 Give examples where force moves a stationary object? Question 2 Give examples where force stops a moving object? Question 3 Give examples where force can change the speed of moving object? Question 4 Give examples where force can change the direction of moving object? Question 5 Give examples where force can change the shape and size of an … [Read more...] about Effects of Force
Force has Magnitude as well as Direction
Question 1 Define the term Newton? Question 2 What is the unit of force? Question 3 What happen if the two forces applied to an object act in the same direction. Explain with example? Question 4 What happen if the two forces applied to an object act in the opposite direction. Explain with example? Question 5 What happen if the two forces applied to an object are … [Read more...] about Force has Magnitude as well as Direction
Force is due to Interaction
Question 1 What is meant by saying that force is due to an interaction? Question 2 Give an example to illustrate that force is due to an interaction? Interaction Interaction involves two objects. In Interaction each object act in such a way as to have an effect on the other object. Interaction of one object with another object results in force between two objects. At … [Read more...] about Force is due to Interaction