6. Write down the 2nd Law equation for each axis separately:
6. Write down the 2nd Law equation for each axis separately:
a. Write down, in two columns: x-axis; y-axis
b. Write down the sum of all the forces, or components of forces, that act on each axis, on their corresponding column. Mind the sign of the forces, relative to the positive and negative directions of the axes you chose.
c. For each axis, if the system is static in that axis, the net force (which you have just written) is equal to zero. If the system is in motion in that axis, the net force is equal to mass times acceleration.
Homework Answers
Instructions: 1. Draw the schematic of the situation described in the wording of the problem. This...
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17,18,19 and 20 17) Which statement about the centre of mass (COM) of a segment is...
17,18,19 and 20
17) Which statement about the centre of mass (COM) of a segment is incorrest? b) You need to know the location of the segment COM (relative to the joint axis) to determine the c) The СОМ is typically measured front the proximal end of the segment The segment COM cannot be determined based on an individuar right 18) Given muscle forces A and 8 that are equal in magnitude and act at the hip joint, what is...
So we are learning about the Free Body diagram and method but I don't fully understand...
So we are learning about the Free Body diagram and method but I
don't fully understand how to apply the steps to the problem. 1st I
have to identify all the forces acting such as gravity by drawing
it out. 2nd I have to use that drawing and draw it in a free body
diagram form in the x-axis and y-axis where the object is at the
origin and that the forces are arrows and then rotate it the degree...
can someone answer 16 And maybe even 15 if possible? Physics 114 - Exam 2, Dynamics...
can someone answer 16
And maybe even 15 if possible?
Physics 114 - Exam 2, Dynamics of ParticlesSHOW YOUR WORK Name: Force Balance and Free body Diagrams (continued) 15. (3) Fill in the each blank with a word(s) chosen from below: zero sum change 2nd Law newton normal free body A net force acting on a body will cause a __ to the motion of the body. In a dynamic analysis, all forces acting on a body are identified and...
1. Write Newton's 2nd Law in terms of momentum, p. 2. Why is momentum a more...
1. Write Newton's 2nd Law in terms of momentum, p. 2. Why is momentum a more physically fundamental quantity than velocity? 3. In terms of forces, what would the universe be like, qualitatively if, instead, momentum were p=>? 4. A finite collection of particles is contained in a box. The particles collide elastically with one another and the interior of the box. If we consider only the particles, then what, if any, forces are External Forces? 5. Determine the total...
4. Newton's Third Law You will now attempt to measure the forces objects exert on each...
4. Newton's Third Law You will now attempt to measure the forces objects exert on each other when the objects interact and the effects those forces have on the motion of the objects. In this section, you will use both force sensors on two carts and conduct a series of force measurements during (gentle) tug-of-war tests. 4.1: Suppose you have two carts, A and B. Both are made of the same material, and B is more massive (heavier) than A....
Whenever you face a problem involving forces, always start with a free-body diagram.
Learning Goal: To gain practice drawing free-body diagramsWhenever you face a problem involving forces, always start with a free-body diagram.To draw a free-body diagram use the following steps:Isolate the object of interest. It is customary to represent the object of interest as a point in your diagram.Identify all the forces acting on the object and their directions. Do not include forces acting on other objects in the problem. Also, do not include quantities, such as velocities and accelerations, that do...
Q1) Answer all Multiple Choice questions.i) Newton’s 1st law is:A. PHYSICALLY INDEPENDENT of the...
Q1) Answer all Multiple Choice questions.i) Newton’s 1st law is:A. PHYSICALLY INDEPENDENT of the other two laws
of motion and CANNOT be dispensed with as an axiom
of Newtonian physics.B. PHYSICALLY INDEPENDENT of the other two laws
of motion, but nonetheless it CAN be dispensed
with as an axiom of Newtonian physics.C. Actually a SPECIAL CASE of the 2ND LAW. The
case when the net force is zero. Therefore, logically we need only
two laws of motion. Perhaps for clarity...
The tidal forces between the Earth and the Moon slowed down the Moon’s rotation about its own axis until the rotation period became equal to the Moon’s orbital period around the Earth as we observe today.
The tidal forces between the Earth and the Moon slowed down the Moon's rotation about its own axis until the rotation period became equal to the Moon's orbital period around the Earth as we observe today. The same effect is also slowing down the Earth's rotation about its own axis and increasing the separation \(D\) between the Moon and the Earth at a rate of \(\Delta D / \Delta t=3.8 \mathrm{~cm}\) per year. In this problem, you can ignore the...
A student is riding their bike when they come across a turn in the form of a circular arc of radius R 3.0m as pictured in the diagram below and travel along this arc in the clockwise direction. At on...
A student is riding their bike when they come across a turn in the form of a circular arc of radius R 3.0m as pictured in the diagram below and travel along this arc in the clockwise direction. At one point along this trajectory (the origin of the given coordinate system) it makes sense to define the Cartesian coordinate system shown where the x-axis is tangent to the trajectory and the y-axis is perpendicular to it. At this point the...
Instructions: 1. Draw the schematic of the situation described in the wording of the problem. This schematic includes a list of the data given in the wording of the problem, such as initial position (x, yo), initial velocity Ivo, V, Vol, final position (x,y), final velocity (V, V, W) or maximum height (ym). Make a decision on whether you want to use "y" or "h" for the vertical axis and keep it consistent throughout all the problems. Write down the...
17,18,19 and 20
17) Which statement about the centre of mass (COM) of a segment is incorrest? b) You need to know the location of the segment COM (relative to the joint axis) to determine the c) The СОМ is typically measured front the proximal end of the segment The segment COM cannot be determined based on an individuar right 18) Given muscle forces A and 8 that are equal in magnitude and act at the hip joint, what is...
So we are learning about the Free Body diagram and method but I
don't fully understand how to apply the steps to the problem. 1st I
have to identify all the forces acting such as gravity by drawing
it out. 2nd I have to use that drawing and draw it in a free body
diagram form in the x-axis and y-axis where the object is at the
origin and that the forces are arrows and then rotate it the degree...
can someone answer 16
And maybe even 15 if possible?
Physics 114 - Exam 2, Dynamics of ParticlesSHOW YOUR WORK Name: Force Balance and Free body Diagrams (continued) 15. (3) Fill in the each blank with a word(s) chosen from below: zero sum change 2nd Law newton normal free body A net force acting on a body will cause a __ to the motion of the body. In a dynamic analysis, all forces acting on a body are identified and...
1. Write Newton's 2nd Law in terms of momentum, p. 2. Why is momentum a more physically fundamental quantity than velocity? 3. In terms of forces, what would the universe be like, qualitatively if, instead, momentum were p=>? 4. A finite collection of particles is contained in a box. The particles collide elastically with one another and the interior of the box. If we consider only the particles, then what, if any, forces are External Forces? 5. Determine the total...
4. Newton's Third Law You will now attempt to measure the forces objects exert on each other when the objects interact and the effects those forces have on the motion of the objects. In this section, you will use both force sensors on two carts and conduct a series of force measurements during (gentle) tug-of-war tests. 4.1: Suppose you have two carts, A and B. Both are made of the same material, and B is more massive (heavier) than A....
Learning Goal: To gain practice drawing free-body diagramsWhenever you face a problem involving forces, always start with a free-body diagram.To draw a free-body diagram use the following steps:Isolate the object of interest. It is customary to represent the object of interest as a point in your diagram.Identify all the forces acting on the object and their directions. Do not include forces acting on other objects in the problem. Also, do not include quantities, such as velocities and accelerations, that do...
Q1) Answer all Multiple Choice questions.i) Newton’s 1st law is:A. PHYSICALLY INDEPENDENT of the other two laws
of motion and CANNOT be dispensed with as an axiom
of Newtonian physics.B. PHYSICALLY INDEPENDENT of the other two laws
of motion, but nonetheless it CAN be dispensed
with as an axiom of Newtonian physics.C. Actually a SPECIAL CASE of the 2ND LAW. The
case when the net force is zero. Therefore, logically we need only
two laws of motion. Perhaps for clarity...
A student is riding their bike when they come across a turn in the form of a circular arc of radius R 3.0m as pictured in the diagram below and travel along this arc in the clockwise direction. At one point along this trajectory (the origin of the given coordinate system) it makes sense to define the Cartesian coordinate system shown where the x-axis is tangent to the trajectory and the y-axis is perpendicular to it. At this point the...
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