Engineering Physics 6 min read
The Effect of Collision Time Upon the Force
First we will examine the importance of the collision time in affecting the amount of force that an object experiences…
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Real-World Applications
In a collision, an object experiences a force for a given amount of time that results in its massundergoing a change in velocity (i.e., that results in a…
Engineering Physics 4 min read
The Momentum Equation as a Guide to Thinking
From the definition of momentum, it becomes obvious that an object has a large momentum if both its mass and…
Engineering Physics 1 min read
Momentum as a Vector Quantity
Momentum is a vector quantity. As discussed in an earlier unit, a vector quantity is a quantity that is fully described by both…
Engineering Physics 3 min read
The Impulse-Momentum Change Theorem
Momentum The sports announcer says, “Going into the all-star break, the Chicago White Sox have themomentum.” The headlines declare “Chicago Bulls Gaining Momentum.” The…
Engineering Physics 13 min read
Double Trouble in 2 Dimensions (a.k.a., Two Body Problems)
Double Trouble in 2 Dimensions In the Newton’s laws unit, the topic of two-body problems was introduced. A pair of problem-solving strategies…
Engineering Physics 9 min read
Equilibrium and Statics
When all the forces that act upon an object are balanced, then the object is said to be in a…
Engineering Physics 6 min read
Determining the Components of a Vector
The task of determining the amount of influence of a single vector in a given direction involves the use of…
Engineering Physics 1 min read
Resolution of Forces
Earlier we studied, the method of resolving a vector into its components was thoroughly discussed. During that lesson, it was said…
Engineering Physics 10 min read
Forces in Two Dimensions
Addition of Forces We studied the use of Newton’s second law and free-body diagrams to determine the net force and…
Engineering Physics 6 min read
Solving Projectile Problems
To illustrate the usefulness of the above equations in making predictions about the motion of a projectile, consider the solution…
Engineering Physics 3 min read
Equations for the Horizontal Motion of a Projectile
The above equations work well for motion in one-dimension, but a projectile is usually moving in two dimensions – both…