PCS120
STATIC AND KINETIC FRICTION
PRE-LAB QUESTIONS
1. A box is pulled at constant velocity along a horizontal plane. Use axes parallel
and perpendicular to the horizontal plane and draw a diagram of the forces acting
on the box.
2. Assume in question 1

Meet? «6/
Kinematics Review
1. When is the average velocity of an object equal to the instantaneous velocity?
A) always
never
nly when the velocity is constant
only when the velocity is increasing at a constant rate
2. An object moving in the +x axis expe

Concepts of Motion
Motion: the _ of an object's position with time.
position : must be given with respect to some
reference point.
An objects position is its directed distance from a
reference point.
movement is said to have occurred when the
position of

Work
Ch.11
PCS120
Tetyana Antimirova
Fall 2015
Chapter 11
Reading Question 11.1
The statement K = W is called the
A. Law of conservation of energy.
B. Work-kinetic energy theorem.
C. Kinetic energy equation.
D. Weight-kinetic energy theorem.
Reading Quest

PCS120: Fall 2015
PCS120 Tutorial 1
Week of September 14 2015
Textbook: R. Knight: Physics For Scientists and Engineers: A Strategic Approach (3rd edition)
Chapter 1 Exercises and Problems:
18, 36, 38, 41,47,48
Chapter 2: Exercises and Problems: 1,2
Solut

PCS 120 Fall 2012 Mid-term #1
Date: Monday, October 29, 2012
Duration: 90 minutes
Department of Physics
Faculty of Science
Ryerson University
Print your name:_
PCS 120 CONSTANTS AND FORMULAE
m p = 1.67 10
me = 9.11 10
e = 1.60 10
27
31
19
kg
C
1
4 0
0 =

PCS120
Pre-lab questions for lab #3: NEWTONS THIRD LAW
1. State Newtons 3rd Law of motion.
2. What are action-reaction force pairs?
3. A book is resting on the surface of a table. Consider the following four forces
that arise in this situation:
(1) the fo

PCS120
Pre-lab questions for lab #4: IMPULSE AND MOMENTUM
1. Which one of the following statements concerning momentum is true?
(a) Momentum is a force.
(b) Momentum is a scalar quantity.
(c) The SI unit of momentum is kg m2/s.
(d) The momentum of an obje

PCS120
Pre-lab questions for lab #5: CONSERVATION OF MECHANICAL ENERGY
1. A helicopter of mass m = 1000 kg is cruising at a speed of 25.0 m/s at an altitude of 200 m. What is the total
mechanical energy of the helicopter?
2. A pebble rolls off the roof of