Newton's first and second law Flashcards
1
Q
what is newton’s first law?
A
Newton’s first law says that a resultant force is needed to make something start moving , speed up or slow down.
2
Q
what is a non - zero resultant force?
A
A non - zero resultant force will always produce acceleration or deceleration in the direction of the force
3
Q
what is Newton’s second law?
A
Newton’s second law says that the force acting on an object and the acceleration of the object are directly proportional
4
Q
what does newton’s second law also say?
A
Acceleration is inversely proportional to the mass of the object.
