Force and gravity Flashcards
1
Q
What is non-contact force
A
When there is a force but is not touching ( no contact)
2
Q
What is force?
A
Is a push or pull
3
Q
What floes force need?
A
Strength ( size)
Direction
4
Q
1 kind of non contact force
A
Gravity
5
Q
What is gravity?
A
Is a attraction between one object with mass with another
6
Q
What is mass?
A
How much something matter
7
Q
Gravity depends of :
A
Mass and distance
8
Q
What is weight?
A
Is how hard you been attracted by gravity
9
Q
What is contact force?
A
When the force is pass by touching another object (contact)
10
Q
What is centripetal force?
A
Force that attracts you to the center of the circle (only occurs in circle paths)
11
Q
Formula of gravity :
A
w= mg
( Weight = Newton) (mass= kilograms) (gravity acceleration= m/s2)
Weight = mass x gravity acceleration
