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Chapter 12
Chapter 12

... The acceleration of the center of mass of the object must be zero when viewed from an inertial frame of reference ...
Chapter 12
Chapter 12

Forces - Physics-S3
Forces - Physics-S3

... on the bag exactly balances the downward gravity force on the bag ...
Chapter 5 - Mr. Theby
Chapter 5 - Mr. Theby

... ◦ Static Friction: You observe static friction when you push an object and it does not move (large furniture).  Static means not moving: Static Electricity ...
Document
Document

... b) The vector sum of all the external forces that act on the body must be zero. c) The linear momentum of the object must be zero. d) The vector sum of all the external torques acting on the body must be zero. e) All of the above are requirements of static equilibrium. ...
Document
Document

Net Force
Net Force

... Newton’s Second Law When a net external force acts on an object of mass m, the acceleration that results is directly proportional to the net force and is inversely proportional to the mass. The direction of the acceleration is the same as the direction of the net force. ...
Unit 4
Unit 4

... while another is held constant – if the force on a mass is doubled, the resulting acceleration would be doubled (direct proportion); if an equal force is applied to an object with double the mass, its acceleration would be half that of the first object (inverse proportion). • Conclude that while New ...
Regular Note
Regular Note

... The box-floor surfaces were able to provide up to 25 Newton of static friction force to match your applied force. Yet the two surfaces were not able to provide 26 Newton of static friction force. The amount of static friction resulting from the adhesion of any two surfaces has an upper limit. In thi ...
Newtons Law Of Gravitation
Newtons Law Of Gravitation

... Newton’s law of universal gravitation states that every particle in the Universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. If the particles have masses m1 and m2 and ...
Chapter 03
Chapter 03

N - Youngstown State University
N - Youngstown State University

1a - cloudfront.net
1a - cloudfront.net

... 1a. On the earth, what is the ratio of an object’s weight to its mass? (Hint: The “ratio of x to y” = x/y.) b. A rock is dropped over the edge of a cliff. What is the rock’s acceleration? 2. Kyle is mad at Tu and pushes him to the right with a force of 500N. Tu’s body pushes back on Kyle with an equ ...
Newton`s First Law of Motion
Newton`s First Law of Motion

... force (to deviate the Moon from a straight inertial trajectory) and that such a force decreased with distance – Orbital motion could be understood as a projectile moving “parallel” to the Earth’s surface at such a speed that its gravitational deflection toward the surface is offset by the surface’s ...
Chapter 2
Chapter 2

... – The Moon’s motion could be explained by the existence of a force (to deviate the Moon from a straight inertial trajectory) and that such a force decreased with distance – Orbital motion could be understood as a projectile moving “parallel” to the Earth’s surface at such a speed that its gravitatio ...
Chapter 2
Chapter 2

The Science of Spaceflight - FMA Live!
The Science of Spaceflight - FMA Live!

Chapter 4
Chapter 4

... • Friction is proportional to the normal force • The force of static friction is generally greater than the force of kinetic friction • The coefficient of friction (µ) depends on the surfaces in contact • The direction of the frictional force is opposite the direction of motion • The coefficients of ...
Newton`s Laws of Motion
Newton`s Laws of Motion

... • Cause: This means an action that happens • Effect: This is what happens as a reaction to the cause • If your good friend beats you at video games, then you will smack that person with the nearest pillow. • In this case what’s the cause? The effect? ...
Newton`s Laws of Motion - Montgomery County Schools
Newton`s Laws of Motion - Montgomery County Schools

... Consider the flying motion of birds. A bird flies by use of its wings. The wings of a bird push air downwards. In turn, the air reacts by pushing the bird upwards. The size of the force on the air equals the size of the force on the bird; the direction of the force on the air (downwards) is opposite ...
Work, Power, & Efficiency
Work, Power, & Efficiency

... Work Done by a Gravitational Force • One constant force we already have dealt with is the force of gravity. • So we should be able to compute the work done on an object as it rises and falls… • So lets look at a particle-like tomato of mass m that is thrown upward with an initial velocity v0. • As ...
Chapter 5 - Mr. Theby
Chapter 5 - Mr. Theby

... ◦ Static Friction: You observe static friction when you push an object and it does not move (large furniture).  Static means not moving: Static Electricity ...
OLE11_SCIIPC_TX_04D_TB_1
OLE11_SCIIPC_TX_04D_TB_1

... to the net force acting on it and inversely proportional to its mass (a  F/m, F  ma). One application is the measurement of weight. Weight, W, is a force, while the gravity, g, is the acceleration (W  mg). On Earth’s surface, g is approximately 9.8 m/s2. ...
Work Done By Forces Conservative vs. Nonconservative Forces
Work Done By Forces Conservative vs. Nonconservative Forces

Newton`s Laws of Motion
Newton`s Laws of Motion

... Everyone knows that heavier objects require more force to move the same distance as lighter objects. ...
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Buoyancy



In science, buoyancy (pronunciation: /ˈbɔɪ.ənᵗsi/ or /ˈbuːjənᵗsi/; also known as upthrust) is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. This pressure difference results in a net upwards force on the object. The magnitude of that force exerted is proportional to that pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the volume of the object, i.e. the displaced fluid.For this reason, an object whose density is greater than that of the fluid in which it is submerged tends to sink. If the object is either less dense than the liquid or is shaped appropriately (as in a boat), the force can keep the object afloat. This can occur only in a reference frame which either has a gravitational field or is accelerating due to a force other than gravity defining a ""downward"" direction (that is, a non-inertial reference frame). In a situation of fluid statics, the net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the body.The center of buoyancy of an object is the centroid of the displaced volume of fluid.
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