Unit 1

Question 1

What is 1g equal to?

Answer 1

9.8m/s^2

Question 2

Newton’s 1st?

Answer 2

If the net force acting on the object is ZERO, then velocity is constant and acceleration is zero

Question 3

Newton’s 1st?

Answer 3

If the net force acting on the object is ZERO, then velocity is constant and acceleration is zero

Question 4

Newton’s Third?

Answer 4

Equal and opposite
Action reaction pairs (two objects, forces are the same magnitude, but opposite in direction)

Question 5

Newton’s Second?

Accélération of an object depends on two things: think of F=

Answer 5

F=ma
1) Net force acting on the object
2) Mass of the object

Question 6

With Newton’s Third Law, how many objects are you acting upon?

Answer 6

2

Question 7

With Newton’s Second and First Law’s, how many objects are you acting upon?

Answer 7

1

Question 8

If you have a weight hanging from a rope with zero velocity and acceleration, what is the tension force?

Answer 8

Ft = w