Class 1

Question 1

What happens when an object moves at constant velocity?

Answer 1

Constant velocity= Newton’s first law: net forces acting on object will be 0 and acceleration will be zero

Question 1

What law should be applied if their are collisions ?

Answer 1

Collisons imply Newton’s third law= equal but opposite forces

Question 2

what is acceleration ?

Answer 2

acceleration = change in velocity /time