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Variation of frictional force with applied force
Imagine the following situation. A heavy crate is resting on the floor in a warehouse. You push it horizontally with a steady force, but it does not move. That is because the force that you apply is balanced by a frictional force exerted horizontally on the b..
Imagine the following situation. A heavy crate is resting on the floor in a warehouse. You push it horizontally with a steady force, but it does not move. That is because the force that you apply is balanced by a frictional force exerted horizontally on the b..MOTION AND FORCES
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 ..
MOTION AND FORCES
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 ..
It is easier to open the door by applying force near the outer edge away from the hinges.
When we apply the force the door turns on its hinges. Thus a turning effect is produced when we try to open the door. Have you ever tried to do so by applying the force near the hinge? In the first case, we are able to open the door with ease. In the second ..
Resultant Force
Any object can be made to move by the application of force. Many forces can act simultaneously on a body. For example, several people can jointly move a boulder but a strong person can move the same boulder all by himself. That is, the force applied by the st..
Force And Motion
Force And 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, th..
Force And 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, th..Force of Friction
Due to friction we are able to walk on the surface of the Earth.The brakes applied in automobiles work only due to frictio..
Example for an impulsive force
When we kick a football, the kick lasts only for a fraction of a second. The force, which we apply on a football, is an example for impulsive force..
Elasticity and Deforming Forces
External forces acting on a body, bring about a change in its state or configuration. The latter is possible when the body is not free to move, but the molecules are compelled to change their positions. Such forces are called deforming forces. These forces br..
Balanced And Unbalanced Forces
Example of Balanced Forces Squeeze a rubber ball between the palms of your hands. What do you observe? The shape of the rubber ball changes. The forces applied on the ball are equal and opposite and the resultant of these forces does not move the object, inst..
Example of Balanced Forces Squeeze a rubber ball between the palms of your hands. What do you observe? The shape of the rubber ball changes. The forces applied on the ball are equal and opposite and the resultant of these forces does not move the object, inst.. Result
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