Introduction to forces Flashcards
-Name some forces and explain what forces can do -Use words to describe forces -Know what the units of force are -Know what apparatus is used to measure forces
1
Q
Name a force that creates heat and tension
A
Friction
2
Q
Name a force that resists because of the liquid and/or the gas that surrounds it.
A
Drag
3
Q
What can a force do ?
A
change the speed of an object
change the direction of an object
change the shape of an object.
4
Q
what is friction ?
A
Friction is a force that resists the sliding of one object over another.
5
Q
what is drag?
A
Drag is a force that resists the air/gas or liquid that surround it.
6
Q
what are some words that can be used to describe forces?
A
push , pull , twist and compress
7
Q
What unit is used to measure forces?
A
Newtons
8
Q
what is the apparatus used to measure forces?
A
Newton Balance.
9
Q
What is gravity
A
Gravity is a force of attraction that exists between to masses.
