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hannah's forces - Coggle Diagram
hannah's forces
effects of force
Effects of forces on a stationary object and on a moving object
A stationary object
Make it start moving
Change its shape
A moving object
Make it move faster
Make it move slower
Change the direction of movement
Make it stop moving
Change its shape due to force of impact
The amount of force applied on an object affects the distance travelled by the object.
A larger force acting on an object will make the object move a greater distance.
Forces can be represented as arrows with the head of the arrow pointing in the direction of the force.
combining forces
There can be two or more forces acting on an object at the same time
For example: Two forces, A and B, act on an object in the same direction simultaneously
When two or more forces act on an object in the same direction to cause the object to move,
the object will move in the same direction as these forces.
When forces A and B act on an object, the object moves in the same direction
opposite directions
object moves
in the direction of a greater force.
stationary
forces are equal
forces are equal cancel out each other
what is a force ?
A force is a push or pull acting upon an object in a particular direction.
Classification of forces
There are many different types of forces around us.
All of these different types of forces can be classified into two main groups:
contact forces
explanation
Forces experienced by objects when they are in physical contact with each othe
Example
1.Friction (or frictional force)
2.Elastic spring force
. Friction (or frictional force) acts between two surfaces in contact.
Friction occurs when the surface is not smooth.
A non-smooth surface appears to be very “bumpy” when magnifie
Two factors that affect the amount of frictional force acting on an object
the type of surface
Rougher surfaces have more friction between them than smoother surfaces.
The force pressing the two surfaces together
Heavier objects have more friction because they press together with greater force.
The frictional force acting on an object is not affected by contact surface area of the object.
Example:A rectangular block experiences the same amount of friction no matter which side it is placed on the same surface.
no contact forces
explanation
Forces experienced by objects when they are not in physical contact with each other.
example
Magnetic force
Gravitational force
