Forces💨 Flashcards
Define the term:Force
A force is a interaction between two objects
Example push and pull
Define the term: acceleration
Get something moving or speed it up
What is used to measure force
Spring scale
What Is force measured in
Newtons
Define the term inertia
Inertia can be described s the tendency to resist any change in motion
What is friction?
Friction occurs whenever one object tries to move over other.both surfaces are in contact, friction always acts in a direction opposite motion
What are there every day activities that you couldn’t do without friction?
Soccer
Tennis
Basketball
Which of the following are true or false?Friction:
1) Acts in the same direction as an object motion
2) Is smaller and heavier object sliding across a floor
3) Make a machine more efficient
1) true
2) true
3) false
What effects friction
How rough the surface is and how hard the surfaces are pushing together
What is mass?
Mass is the amount of matter in an object
What is gravity?
Gravity is this force of attraction.The more mass a pair of objects have, the stronger the pulling force of gravity between them
What is weight?
Weight is the name of pulling force of gravity on an object.
Define the term magnetic field?
A magnet attracts materials containing the metals iron,cobalt and nickel
A magnetic field is the space around a magnet where a magnetic force in the direction of the magnetic field
