Class 9 Force and Laws of Motion Notes

Force and Laws of Motion Notes Force:- A push or pull on an object is called force. A force can change- the state of motion of an object i.e, motion to rest or, rest to motion. the speed of the object the direction of motion the shape of the object Contact Force:- The force exerted […]

Class 9 Motion Important Questions

Motion Important Questions Define uniform circular motion and give example of it. Why is it called accelerated motion? A car moves with a speed of 30 km/h for half an hour, 25 km/h for one hour and 40 km/h for two hours. Calculate the average speed of the car. Derive the equation for position – […]

Class 9 Motion Notes

Motion Notes Motion:- When a body changes its position with respect to time then the body is said to be in motion. Rest:- A body is said to be in rest if it does not change its position with respect to time. Rectilinear Motion:- Motion in a straight line is called rectilinear motion. Scalar Quantity:- […]