Force

Question 1 Define the term force? Question 2 Define the term direction of force? Question 3 What are the various effects of force? Question 4 Give an example where a force stops a moving body? Question 5 Give an example where a force changes the shape of a body? Question 6 What do you understand by…

Conservation of momentum

Question 1 State the law of conservation of mass? Question 2 Discuss the conservation of momentum in a rocket taking off from the ground? Question 3 A 60 g bullet fired from a 5 kg gun leaves with a speed of 500 m/s.Find the speed with which the gun recoils? Conservation of Momentum When two…

Newton’s third law of motion

Question 1 What is newton’s third law of motion? Question 2 Give example of newton’s third law of motion? Question 3 Which physical principle is involved in the working of a jet aeroplane ? Question 4 Name the principle on which a rocket works? Question 5 Why is it difficult to walk on a slippery road?…

Newton’s second law of motion

Question 1 State Newton’s second law of motion? Question 2 State the relationship between momentum and acceleration? Question 3 If the mass of a body and the force acting on it are both doubled,what happens to the acceleration? Question 4 Explain why a cricket player moves his hand backwards while catching a fast cricket ball?…

Newton’s first law of motion

Question 1 Define Newton’s First law of motion? Question 2 Give example of Newton’s First law of motion? Question 3 Define the term inertia? Question 4 What happens to the passengers travelling in a bus when the bus takes a sharp turn?Explain? Question 5 Explain why it is dangerous to jump out of a moving bus? Question…