38. REASONING It is the static friction force that accelerates the cup
... +x-axis. Newton's second law written for no motion along the y-axis is ȈFy = 0 or FN – mg = 0 This gives the normal force to be FN = mg = (109 kg)(9.80 m/s2) Newton's second law for uniform motion in the x direction is ȈFx = 0 or T – fk = 0 Then T = fk = µ kFN = (0.870)(109 kg)(9.80 m/s2) = 929 N ...
... +x-axis. Newton's second law written for no motion along the y-axis is ȈFy = 0 or FN – mg = 0 This gives the normal force to be FN = mg = (109 kg)(9.80 m/s2) Newton's second law for uniform motion in the x direction is ȈFx = 0 or T – fk = 0 Then T = fk = µ kFN = (0.870)(109 kg)(9.80 m/s2) = 929 N ...
Motion
... produced when a force acts on a mass. • The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object). ...
... produced when a force acts on a mass. • The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object). ...
01) A car has a mass of 1000 kilograms
... 32. A U238 nucleus decays by emitting an αparticle of speed v m/s. The recoil speed of residual nucleus is_____m/s a) v/4 c) -4v/238 ...
... 32. A U238 nucleus decays by emitting an αparticle of speed v m/s. The recoil speed of residual nucleus is_____m/s a) v/4 c) -4v/238 ...
Circular Motion - Saptarshi Classes
... tangential acceleration at the end of 19 s is, a) 400: 1 b) 1: 800 c) 1:400 d) 800 : 1 26) A sprit level is placed at the edge of a turn table along its radius. The bubble will be a) At the centre of the container b) At the outer edge of the container c) At the inner edge of the container d) Will os ...
... tangential acceleration at the end of 19 s is, a) 400: 1 b) 1: 800 c) 1:400 d) 800 : 1 26) A sprit level is placed at the edge of a turn table along its radius. The bubble will be a) At the centre of the container b) At the outer edge of the container c) At the inner edge of the container d) Will os ...
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Review PPT
... is standing on a 10.0o hill. Calculate the coefficient of friction between the person’s shoes and the hill so that the person stays standing in place instead of sliding down the hill. Is this the coefficient of static friction or of kinetic friction? A person ...
... is standing on a 10.0o hill. Calculate the coefficient of friction between the person’s shoes and the hill so that the person stays standing in place instead of sliding down the hill. Is this the coefficient of static friction or of kinetic friction? A person ...
GSCI 101A - Section 006
... boiling point is at 681 K; the latent heat of vaporization is 189,000 J/kg. You wish to boil off 4.2 kg of this substance that is initially at 155 K. How much heat is required? a) 888,000 J b) 2,210,000 J c) 2,870,000 J d) 2,150,000 J d) First, the temperature of the solid must be raised to the mel ...
... boiling point is at 681 K; the latent heat of vaporization is 189,000 J/kg. You wish to boil off 4.2 kg of this substance that is initially at 155 K. How much heat is required? a) 888,000 J b) 2,210,000 J c) 2,870,000 J d) 2,150,000 J d) First, the temperature of the solid must be raised to the mel ...
39 Newton`s Laws
... Re-arrange the Force equation (F=ma) to solve for mass and acceleration… m= a= ...
... Re-arrange the Force equation (F=ma) to solve for mass and acceleration… m= a= ...
Multiple Choice
... horizontal axis into the page and perpendicular to the rod, as shown above. The right end is connected to the ceiling by a thin vertical thread so that the rod is horizontal. The moment of inertia of the rod about the axis at the end of the rod is Ml2/3. Express the answers to all parts of this ques ...
... horizontal axis into the page and perpendicular to the rod, as shown above. The right end is connected to the ceiling by a thin vertical thread so that the rod is horizontal. The moment of inertia of the rod about the axis at the end of the rod is Ml2/3. Express the answers to all parts of this ques ...
Physics 11 SAMPLE Dy.. - hrsbstaff.ednet.ns.ca
... Part I- Multiple choice: Answer each question by shading the most appropriate bubble. 01. Newton’s _____ law states that an object at rest (or constant motion) tends to want to stay at rest (or in constant motion) unless acted upon by an external net force. a. first b. second c. third 02. You are dr ...
... Part I- Multiple choice: Answer each question by shading the most appropriate bubble. 01. Newton’s _____ law states that an object at rest (or constant motion) tends to want to stay at rest (or in constant motion) unless acted upon by an external net force. a. first b. second c. third 02. You are dr ...
6.1 Uniform Circular Motion - 6.2 Dynamics of Uniform Circular
... • Riders traveling around on a circular carnival ride are accelerating, as we have seen: ...
... • Riders traveling around on a circular carnival ride are accelerating, as we have seen: ...
2014-15 1st Semester Physics Review
... a. doubling the large mass c. reducing the small mass by half b. doubling the distance between the masses d. reducing the distance between the masses by half ____ 20. Objects on the surface of Earth experience a large downward force although the universal gravitational constant is very small. Which ...
... a. doubling the large mass c. reducing the small mass by half b. doubling the distance between the masses d. reducing the distance between the masses by half ____ 20. Objects on the surface of Earth experience a large downward force although the universal gravitational constant is very small. Which ...
Newton`s second law of motion
... Newton’s second law of motion states that the rate of change of momentum of an object is directly proportional to the applied unbalanced force in the direction of force. Q: Define one newton force. One newton force is defined as the amount of force which produces an acceleration of 1m/s2 in a body ...
... Newton’s second law of motion states that the rate of change of momentum of an object is directly proportional to the applied unbalanced force in the direction of force. Q: Define one newton force. One newton force is defined as the amount of force which produces an acceleration of 1m/s2 in a body ...
Forces and the Laws of Motion
... _____ 3. Which of the following forces exists between objects even in the absence of direct physical contact? a. frictional force c. contact force b. fundamental force d. field force _____ 4. A newton is equivalent to which of the following quantities? a. kg c. kgm/s2 b. kgm/s d. kg(m/s)2 _____ 5 ...
... _____ 3. Which of the following forces exists between objects even in the absence of direct physical contact? a. frictional force c. contact force b. fundamental force d. field force _____ 4. A newton is equivalent to which of the following quantities? a. kg c. kgm/s2 b. kgm/s d. kg(m/s)2 _____ 5 ...
Force Vectors - Rutgers Physics
... The purpose of this minilab is to practice working with vectors, both experimentally and theoretically. Force is represented by a vector. One of the conditions for a body to be in static equilibrium (not accelerating) is that the vector sum of all the forces acting on the body must be zero: F = 0. ...
... The purpose of this minilab is to practice working with vectors, both experimentally and theoretically. Force is represented by a vector. One of the conditions for a body to be in static equilibrium (not accelerating) is that the vector sum of all the forces acting on the body must be zero: F = 0. ...
The Lagrangian
... Provides an alternative view of a mechanical system: rather than seeing only cause and effect, we now see the purpose of the system which is to minimize the action. ...
... Provides an alternative view of a mechanical system: rather than seeing only cause and effect, we now see the purpose of the system which is to minimize the action. ...
momentum
... An object at rest remains at rest and an object in motion remains in motion at a constant speed and in a straight line unless acted on by an unbalanced force. -this law describes an object with a net force of zero acting on it EXPLAIN. -often referred to as the Law of Inertia (an object's resistance ...
... An object at rest remains at rest and an object in motion remains in motion at a constant speed and in a straight line unless acted on by an unbalanced force. -this law describes an object with a net force of zero acting on it EXPLAIN. -often referred to as the Law of Inertia (an object's resistance ...
Deformation Rotational Motion Rotation of Rigid Objects
... Rotation of Rigid Objects and Vector Quantities We can also define these quantities as vectors! This might seem a bit strange because the direction of the motion any point (other than the axis) on a rotating disc is always ...
... Rotation of Rigid Objects and Vector Quantities We can also define these quantities as vectors! This might seem a bit strange because the direction of the motion any point (other than the axis) on a rotating disc is always ...