forces and motion unit

A vegetable vendor applies force to push the cart, a driver applies force either to stop the car or to change the speed or direction of motion and a football player kicks the ball to set it in motion..

A vegetable vendor applies force to push the cart, a driver applies force either to stop the car or to change the speed or direction of motion and a football player kicks the ball to set it in motion. In all the above examples, the force applied on ..

Problems involving constant speed and average speed Newton's First Law of Motion Newton's Second Law of Motion Newton's Third Law of Motion Universal Law of Gravitation Effect of gravity on an object at the surface of the Earth Applying a force ..

Problems involving constant speed and average speed Newton's First Law of Motion Newton's Second Law of Motion Newton's Third Law of Motion Universal Law of Gravitation Effect of gravity on an object at the surface of the Earth Applying a force ..

Recall that F = ma We know that SI unit of mass is kg and acceleration is m/s 2 . SI unit of force is kgm/s 2 . But 1kgm/s 2 is defined as 1 Newton in honour of Sir Issac Newton. 1 N = 1 kgm/s..

Force - A force is often defined as a "push" or a "pull". There is nothing untrue with this statement, but does not really tell you much about a force. Instead of defining force, it substitutes an antonym. A physicist prefers to define a force in te..

Force is the external agent that changes the state of rest or uniform motion of a body along a straight lin..

W = FS cos q If the displacement S is in the direction of the force F, q = 0, cos q =1 Then, W = FS x 1 W = FS If q = 90 o , cos 90 o = 0 Therefore, W = FS x 0 = 0 i.e, no work is done by the force on the body. If a stone tied at the end of a string is whirled around i..

In many cases when we pull or push an object, we find that force and displacement are not in the same direction. Let a constant force F acting on a body produce a displacement S as shown in the figure. Let q be the angle between the directions of the force and displace..

Summary - Force produces or prevents motion of a body. Friction is a force that opposes motion. Moment is defined as the turning effect of a force about a pivot or fulcrum. The centre of gravity of a body is a point where the whole weight of the body see..