Physics 220 – Exam #1
... 11. In class we did a demonstration involving two people on flat carts. One exerted a force on one end of a rope while the other would just hang on. Which of the following principles or ideas was this demonstration designed to illustrate? (a) Newton’s second law: F = ma. (b) Some motion can be frict ...
... 11. In class we did a demonstration involving two people on flat carts. One exerted a force on one end of a rope while the other would just hang on. Which of the following principles or ideas was this demonstration designed to illustrate? (a) Newton’s second law: F = ma. (b) Some motion can be frict ...
Lecture 6
... where FR is the resultant force, which is a vector summation of all the forces To illustrate the equation, consider a particle acted on by two forces. First, draw the particle’s free-body diagram, showing all forces acting on the particle. Next, draw the kinetic diagram, showing the inertial force m ...
... where FR is the resultant force, which is a vector summation of all the forces To illustrate the equation, consider a particle acted on by two forces. First, draw the particle’s free-body diagram, showing all forces acting on the particle. Next, draw the kinetic diagram, showing the inertial force m ...
PowerPoint Lecture Chapter 3
... C. Velocity- speed of the object and its direction 1. is a vector quantity 2. Size of objects velocity is speed 3. Object will have ...
... C. Velocity- speed of the object and its direction 1. is a vector quantity 2. Size of objects velocity is speed 3. Object will have ...
Newton’s 2nd Law of Motion
... between two objects – When objects are touching they naturally cause a resistance in motion – Friction occurs because microwelds form ...
... between two objects – When objects are touching they naturally cause a resistance in motion – Friction occurs because microwelds form ...
Practice_Exercise
... proportional to the net force acting on it. If the net B) 2 force is multiplied by some factor and the mass is C) 1/4 held constant the acceleration will be multiplied by D) 4 the same factor. Doubling the net force will double the acceleration. The acceleration is inversely proportional to the obje ...
... proportional to the net force acting on it. If the net B) 2 force is multiplied by some factor and the mass is C) 1/4 held constant the acceleration will be multiplied by D) 4 the same factor. Doubling the net force will double the acceleration. The acceleration is inversely proportional to the obje ...
ISCI 2002 Quiz Chapter 3 – Newton`s Laws of Motion
... A) sooner than the lighter object. B) at the same time as the lighter object. C) later than the lighter object. ...
... A) sooner than the lighter object. B) at the same time as the lighter object. C) later than the lighter object. ...
Motion and Forces study guide
... 25. _____ forces acting on an object cause the object to accelerate 26. Sally sits on a rock. Her weight is an action force. Describe its reaction force. 27. Friction is a force that __ motion between two surfaces that are touching each other 28. At the same speed, a bowling ball is harder to stop t ...
... 25. _____ forces acting on an object cause the object to accelerate 26. Sally sits on a rock. Her weight is an action force. Describe its reaction force. 27. Friction is a force that __ motion between two surfaces that are touching each other 28. At the same speed, a bowling ball is harder to stop t ...
Force – Concept Overview
... a) Newtons (N) in the SI/metric system or; b) Pounds (Lbs) in the English system Force is a vector quantity because it has a magnitude and direction 5N (fwd) A quantity that has a magnitude only (and no direction) is called a scalar Mass puck=0.05kg Makes sense right? Can’t have mass or temperat ...
... a) Newtons (N) in the SI/metric system or; b) Pounds (Lbs) in the English system Force is a vector quantity because it has a magnitude and direction 5N (fwd) A quantity that has a magnitude only (and no direction) is called a scalar Mass puck=0.05kg Makes sense right? Can’t have mass or temperat ...
Work is a force that moves through a distance
... How much work is done when a force of 1000N is used to slide a 20kg crate a distance of 4.0m across a floor? W= F·D W= 1000N 4.0m W= 4000J How much power is required when a force of 1000N is used to slide a 20kg crate a distance of 4.0m across a floor in 20s? Power is the rate at which work is done. ...
... How much work is done when a force of 1000N is used to slide a 20kg crate a distance of 4.0m across a floor? W= F·D W= 1000N 4.0m W= 4000J How much power is required when a force of 1000N is used to slide a 20kg crate a distance of 4.0m across a floor in 20s? Power is the rate at which work is done. ...
Unit 4 – Force and the Laws of Motion
... By the end of this unit, you should be able to do the following: 1. Describe and give examples of Newton's 1st Law. Newton's 1st Law: Objects at rest stay at rest, objects in motion stay in motion at constant speed in a straight line unless acted upon by unbalanced forces. 2. Given a diagram or a wr ...
... By the end of this unit, you should be able to do the following: 1. Describe and give examples of Newton's 1st Law. Newton's 1st Law: Objects at rest stay at rest, objects in motion stay in motion at constant speed in a straight line unless acted upon by unbalanced forces. 2. Given a diagram or a wr ...
Linking Asteroids and Meteorites through Reflectance
... • Supposedly saw an apple fall to the ground • He then understood that gravity was universal, meaning it affected both the planets and us on Earth • Came up with 3 Laws of Motion • Also came up with calculus ...
... • Supposedly saw an apple fall to the ground • He then understood that gravity was universal, meaning it affected both the planets and us on Earth • Came up with 3 Laws of Motion • Also came up with calculus ...
Aim: More friction
... Solve for the maximum static force of friction FF = µsFN FF = (0.74)(980N) FF = 725.2 N The steel does not move. To get it to move, you must have a force greater than 725.2 N ...
... Solve for the maximum static force of friction FF = µsFN FF = (0.74)(980N) FF = 725.2 N The steel does not move. To get it to move, you must have a force greater than 725.2 N ...
FMALiveForcesMotionPC
... Objects at rest (or in motion) stay that way unless acted on by an outside Force. Force = Mass times acceleration (F=Ma) For every action there is an equal and opposite reaction. And sometimes, they all happen at once! ...
... Objects at rest (or in motion) stay that way unless acted on by an outside Force. Force = Mass times acceleration (F=Ma) For every action there is an equal and opposite reaction. And sometimes, they all happen at once! ...
Physical Science Worksheet: Force Short Answer 1. The SI unit of
... 3. What is the unbalanced force that slows down a ball rolling across the floor? 4. When gravitational forces and air resistance equalize on an object that is falling toward Earth and the object stops accelerating, what is the velocity of an object called? 5. As the distance between two objects incr ...
... 3. What is the unbalanced force that slows down a ball rolling across the floor? 4. When gravitational forces and air resistance equalize on an object that is falling toward Earth and the object stops accelerating, what is the velocity of an object called? 5. As the distance between two objects incr ...