Force and Newton's Laws (1) Flashcards
What is weight (W)?
Mass * gravity
Always acts downwards
Mass * gravity
Always acts downwards
What is weight (W)?
What is the normal reaction (R/N)?
Reaction from a surface. Reaction is always acts perpendicular (90 degrees) to the surface
Reaction from a surface. Reaction is always acts perpendicular (90 degrees) to the surface
What is the normal reaction (R/N)?
What is tension (T)?
Force in a traut rope, wire or string
Force in a traut rope, wire or string
What is tension (T)?
What is friction (F)?
A resistance force due to roughness between a body and a surface. Always acts against motion
A resistance force due to roughness between a body and a surface. Always acts against motion
What is friction (F)?
What is thrust/compression?
Force in a rod
Force in a rod
What is thrust/compression?
What is the SI unit for length?
Metres
Metres
What is the SI unit for length?
What is the SI unit for time?
Seconds
Seconds
What is the SI unit for time?
What is the SI unit for mass?
Kilogram
Kilogram
What is the SI unit for mass?
What happens when the surface gets rough?
Mew increases
Mew increases
What happens when the surface gets rough?
Calculate the overall resultant force?
mass * acceleration
mass * acceleration
Calculate the overall resultant force?
