Ch. 0 Introduction

Question 1

What does a reference frame consist of?

Answer 1

Origin O

A basis of vectors i, j, k which are orthogonal

Question 2

Momentum =

Answer 2

mv

Question 3

What is Newton’s First Law?

Answer 3

Every body remains at rest or in uniform motion in a straight line unless acted upon by some external force

Question 4

What is an inertial frame?

Answer 4

A particle has no forces acting upon it

The inertial frame is the frame of reference such that the particle moves in a straight line

Question 5

What is Newton’s Second Law?

Answer 5

In an inertial frame, the rate of change of momentum is equal to the total force acting on a particle (F = ma)

Question 6

What is Newton’s Third Law?

Answer 6

Action and reaction are equal and opposite

Question 7

How do we denote the dimension of a quantity?

Answer 7

[X] = (M^a)(L^b)(T^c)

Question 8

Relationship between 2 origins in 2 frames of reference with the same vectors i, j and k, and a point P

Answer 8

OP = OO’ + OP’

Question 9

Volume of a sphere

Answer 9

4/3 π r^3