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Net force

Torque

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Physics
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Physical quantities
Torque
Mass
Spring
Force
Lever
Momentum
Net force
Cavendish experiment

AP Physics Multiple Choice Practice ? Torque 1. A uniform meterstick of mass 0.20 kg is pivoted at the 40 cm mark. Where should one hang a mass of 0.50 kg to balance the stick? ?(A) 16 cm (B) 36 cm (C) 44 cm (D) 46 cm (E) 54 cm 2. A uniform meterstick is balanced at its midpoint with several forces applied as shown below. If the stick is in equilibrium, the magnitude of the force X in newtons (N) is?(A) 50 N (B) 100 N (C) 200 N (D) 300 N (E) impossible to determine without the weight of the stick 3. A door (seen from above in the figures below) has hinges on the left hand side. Which force produces the largest torque? The magnitudes of all forces are equal.

College Physics Chapter 4 Notes

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Physics
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Force
Classical mechanics
Physical quantities
Mass
Isaac Newton
Normal force
Weight
newton's Laws of motion
Net force
Acceleration
Newton's law of universal gravitation
Inertia

Chapter 4 Notes: The Laws of Motion Forces Force ? push or pull on some object vector quantity Contact Forces ? result from physical contact between two objects Field Forces ? ?action-at-a-distance? gravity electric force magnetic force * The known fundamental forces in nature are all field forces In order of decreasing strength: strong nuclear force electromagnetic force weak nuclear force gravitational force Newton?s First Law An object moves with a velocity that is constant in magnitude and direction, unless acted on by a nonzero net force Net Force ? vector sum of all external forces exerted on an object Mass and Inertia Inertia ? tendency of an object to continue in its original state of motion Mass ? measure of an object?s resistance to changes in its motion due to force

Vectores Scalars Review

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Physics
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Algebra
Mathematics
Linear algebra
Vectors
Abstract algebra
Vector Calculus
Classical mechanics
Euclidean vector
Net force
Dimensional analysis
Vector space
Velocity

Name _____________________ Date _____ Mr. Carcich CP Physics Vectors/Scalars Review Sheet You need to know: What is the difference between scalar and vector quantities? What are four examples of vector quantities? What are four examples of scalar quantities? How do we draw vectors? What does the length of the line represent? What does the direction of the arrow represent? How do we measure the angle of the vector? (From the resultant to the nearest x-axis, less than 90 degrees) When drawing vectors, why do we need to use a scale? What is a resultant vector?

nope

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Art History
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

nope

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Art History
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

thing

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English
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

Forces

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Physics
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Physics
Introductory physics
Classical mechanics
Physical quantities
Force
Mechanics
Tension
Rope
Newtons
Mass
Work
Net force

Test Questions Two tugboats are moving a barge. Tugboat A exerts a force of 3000 newtons on the barge. Tugboat B exerts a force of 5000 newtons in the same direction. What is the combined force on the barge? 8000 newtons 4000 newtons 2000 newtons None of the above If two men were arm wrestling and the first man was using 15 newtons, while the other was using 10 newtons, who would win? A. Neither B. First Man C. The one using 10 newtons D. The information given is not enough to answer the question What is net force? The amount of matter in an object. How much work is being done? The total force acted upon an object. How heavy the object is. Which direction will a rope go towards to when an unbalanced force is acted upon it? Nowhere Towards the unbalanced force Right Left
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