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 6 When a tree is shaken,its fruits and … [Read more...] about Newton’s First Law of Motion
Class 9
Equation of Motion by Graphical Method
Question 1 What is meant by uniform circular motion? Question 2 A body goes around the sun with constant speed in a circular orbit. Is the motion uniform or accelerated? Question 3 A satellite goes around the earth in a circular orbit with constant speed. Is the motion uniform or accelerated? Question 4 Give examples of circular motion? Question 5 What is a … [Read more...] about Equation of Motion by Graphical Method
Equation of Motion
Equations of uniformly accelerated motion 1) First equation of motion v = u+at 2) Second equation of motion S = ut + 1/2 at2 3) Third equation of motion v² = u² + 2aS If a body starts from rest then u=0 If a body comes to rest then v=0 If a body moves with uniform velocity then a=0 u = Initial velocity of the body v = … [Read more...] about Equation of Motion
Acceleration
Question 1 What is meant by the term acceleration? Question 2 State the S.I. unit of acceleration? Question 3 Define the term uniform acceleration. Give one example? Question 4 Define the term non-uniform acceleration. Give one example? Question 5 What is the acceleration of a body moving with uniform velocity? Question 6 What type of motion is exhibited by … [Read more...] about Acceleration
Velocity
Question 1 What name is given to speed in specified motion? Question 2 Define Velocity? Question 3 What is the S.I. unit of velocity? Question 4 What is the difference between velocity and speed? Question 5 When a body said to have uniform motion? Question 6 How the velocity of a body can be changed? Question 7 When a body said to have non-uniform … [Read more...] about Velocity