Question

# What are the effects of force? What are magnetic force?

Solution

## Effects of Force A force can produce the following effects on an Object: 1) A force can move a stationary object: An Object remains at rest would begin to move when a force is applied to it. E.g.: A Football remains stationary on the ground until it is been kicked by a player. 2) A force can stop a moving object: An Object which is in motion either constant/varying could be stopped when a force is applied to it. E.g.: Application of brakes on a car in motion. 3) A force can change the speed of a moving object: An Object which is in motion either constant/varying, if a force is applied to the object in the same direction of the motion or opposite would change the speed of the object. E.g.: In bicycle pedaling faster would make the bicycle go faster and vice versa. 4) A force can change the direction of a moving object: An Objects’ direction either stationary or in motion is changed when force is applied. E.g.: Application of force on car steering makes the change in direction of the car's motion. 5) A force can change the shape and size of an object: When a force is applied on an object, based on its structural strength and amount of force applied, its shape or size could be changed/deformed. E.g.: Application of force on a clay or hitting aluminum sheet with a hammer makes the object's shape transformation. 6) A force (Gravity) can bend the shape of space-time: Look into the Theory of General Relativity. Magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion. It is the basic force responsible for such effects as the action of electric motors and the attraction of magnets for iron. Electric forces exist among stationary electric charges; both electric and magnetic forces exist among moving electric charges. The magnetic force between two moving charges may be described as the effect exerted upon either charge by a magnetic field created by the other.

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