Module 5: Motion & Dynamics

 

PHYS-1315 M5L1 Motion

 

Course Competencies and Learning Objectives

CC5.1 Solve problems related to motion and kinematics. 

★ LO5.1.1 Compare and contrast the different types of motion

★ LO5.1.2 Draw displacement, velocity, and acceleration vectors of moving objects

★ LO5.1.3 Solve problems involving kinematic equations

★ LO5.1.4 Draw and compute centripetal acceleration of an object undergoing uniform circular motion

CC5.2 Solve problems involving forces and Newton’s Laws of Motion

LO5.2.1 Describe and quantify the different types of forces

LO5.2.2 Solve problems using Newton’s Laws of Motion

LO5.2.3 Draw force-body diagrams

LO5.2.4 Perform computations uses force and acceleration

LO5.2.5 Identify when momentum is and is not conserved

LO5.2.6 Compute impulse from an applied force

 

Readings

Read Chapter 2 (sections 2.1 through 2.5) of Physical Science, 13th edition by Bill Tillery McGraw Hill Education

 

Lecture Videos

Motion & Kinematics

Time: 0:08

In this lecture, we will look at motion; this includes uniform motion, accelerated motion, motion diagrams, coordinate systems, position, distance, and the delta operator.

Displacement, Velocity, and Speed

Time: 5:40

In this lecture, we will cover: vector arithmetic, displacement, velocity, speed, acceleration, and jerk

Average vs Instantaneous Velocity

Time: 17:59

In this lecture, we will cover: instantaneous vs average velocity, the kinematic equations, free fall, and projectile motion.

Uniform Circular Motion

Time: 8:11

In this lecture, we will cover: uniform circular motion, and Kepler’s Laws of Planetary Motion.

Key Lessons and Appendix

Time: 1:36

 

Practice and Apply - Computations

PROMPT The driver of a car moving at 72.0 km/h drops a road map on the floor. It takes him 3.00 s to locate and pick up the map. How far did he travel during this time?

Answer

Answer: 60/0 m

Not what you got? Here is the video solutions.

Time: 18:36

 

 

PROMPT A bicycle has an average speed of 8.00 km/h. How far will it travel in 10.0 seconds?

Answer

Answer: 22.2 m 

Not what you got? Watch the solution walk-through.

Time: 7:11

 

 

PROMPT A bicycle moves from rest to 5 m/s in 5 s. What was the acceleration?

Answer

Answer:  1 m/s2

Not what you got? Watch this video walk-through showing you how to solve it.

Time: 9:54

 

 

PROMPT An automobile uniformly accelerates from rest at 5 m/s2 for 6 seconds. What is the final velocity in m/s?

Answer

Answer: 30 m/s

Not what you got? Watch this video to see the solution.

Time: 09:48

 

PROMPT An automobile moving at 25.0 m/s comes to a stop in 10.0 s when the driver slams on the brakes. How far did the car travel while stopping? What is the acceleration?

Answers

Answers:

How far did the car travel: 125 m

What is the acceleration: -2.50 m/s2

Not what you got? Watch this video to see the solution.

Time: 13:32

 

PROMPT A rock that is dropped into a well hits the water in 3.0 s. Ignoring air resistance, how far is it into the water?

Answer

Answer: 44 m

Not what you got? Watch this video to see the solution.

Time: 7:42

 

Time: 13:03

 

Supplemental Resources

Equation Sheets

Equation Sheet - Module 2.pdf