What is a force?
A push or pull on an object
Is this a contact or non-contact force?
Push
Contact
What is an attractive or repulsive force that is exerted between the poles of a magnet?
What is Magnetic Force
What is a contact force?
A force that can only act when two objects are touching (in contact)
What is a non-contact force?
A force between two objects that are not touching
Forces are measured in what??
Newtons
Is this a contact or non-contact force?
Friction
Contact
What is a force that allows some materials to return to its original shape after being stretched or compressed?
What is Spring Force
What contact force is seen below?
Spring Force
What is this non-contact force illustrated below?
Magnetic Force
How many different types of forces did we talk about?
3
Mechanical
Gravity
Friction
Is this a contact or non-contact force?
Gravitational force
Non-contact
What is a force that slows the movement of a sliding object?
What is Friction
What contact force is seen below?
Normal Force
What is this non-contact force illustrated below?
An Apple Falling from a Tree
Gravitational Force
True or False? Force can change the shape of an object
True. Force can change the shape of something, its speed or the direction that it is moving in.
Is this an illustration of a contact or non-contact force?
Non-contact (static electricity)
What is a force that is applied to an object by a person or another object?
What is Push or Pull
What contact force is seen below?
Applied Force
Which answers are non-contact forces?
A.Gravitational
B.Applied
C.Normal
D.Electostatic
E.Friction
What is A and D.
What do Vector Arrows tell us??
Size and direction of Force
What type of force is this AND is it contact or non-contact? Both answers must be correct to receive the points
What is Gravitational Force. It is a non-contact force
What is a type of friction that slows objects as they move through the air?
What is Air Resistance
What contact force is seen below?
Friction
True of False: Are Non Contact Forces all Around us??
True: Gravity