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Part A (Work Energy) Problem AI: A force F = 24N acts at 60° above the...
Part A (Work Energy) Problem Al: A force F = 24N acts at 60° above the...
Part A (Work Energy) Problem Al: A force F = 24N acts at 60° above the horizontal on a 3kg block that is attached to a spring whose stiffness constant is k = 200. Assume uk = 0.1. The system starts at rest with the spring unextended. If the block moves 40cm, find the work done 24N k = 20N/m 60° N 3kg 1) By the force F. 2) By the friction 3) By the spring 4) What is the...
Problem A1: A person applies a horizontal force of 200N to a 40kg crate that moves...
Problem A1: A person applies a horizontal force of 200N to a 40kg crate that moves 2m along a 5º incline. Find the work on the crate F = 2000 40kg So 4 1) By the person 2) By the friction if uk = 0.25 3) By gravity 4) Using the work energy theorem find the final speed if the crate starts from rest. A block of mass m = 0.2kg is held against but not attached to a spring...
A 250 g block is moving along the “x” axis and at some point a force...
A 250 g block is moving along the “x” axis and at some point a
force in the positive direction of the axis acts on it.
The graph shows the magnitude of the force versus the position
“x” of the particle. The curve is given by F=a/x^2, with a=9.0 N.m2
. Find the work done on the block by the force as the block moves
from x=1.0 m to x=3.0 m by:
a.) Estimating the work from the graph.
b.)...
How do you solve this problem without the work/energy method? -0.3m- hec The block has a...
How do you solve this problem without the work/energy
method?
-0.3m- hec The block has a mass of 0.8 kg and moves within the smooth vertical slot. If it starts from rest when the attached spring is in the unstretched position at A, determine the constant vertical force F which must be applied to the cord so that the block attains a speed vg = 2.5 m/s when it reaches B; $ = 0.15 m. Neglect the size and mass...
You pull on a string with a horizontal force F = 34 N that is attached...
You pull on a string with a horizontal force F = 34 N that is
attached to a block of mass mb = 7.1 kg, then to the axle of a
solid cylinder of mass mc = 5.7 kg and radius r = 0.4 m, then to a
spring of spring constant k = 115 N/m. This is all done on an
inclined plane where there is friction ( Us = 0.6 and k = 0.30 ), and the incline...
Part A (Work Energy) Problem A1: A person applies a horizontal force of 200N to a...
Part A (Work Energy) Problem A1: A person applies a horizontal force of 200N to a 40kg crate that moves 2m along a 5º incline. Find the work on the crate X F =200N 1) By the person 2) By the friction if x = 0.25 3) By gravity 4) Using the work energy theorem find the final speed if the crate starts from rest.
Q1-(25 pts) A block of mass m is on a horizontal surface and is attached to...
Q1-(25 pts) A block of mass m is on a horizontal surface and is attached to a spring whose other end is fixed. The spring constant is k. The coefficient of kinetic friction between the block and the horizontal surface is u. A force Facts on the block always making an angle with the horizontal, as shown in the figure. The magnitude of the force is adjusted so that the block moves with constant speed v on the surface from...
Problem 2 (20%) Free Vibration with Velocity Dependent Force. Consider a 1 DOF system consisting of...
Problem 2 (20%) Free Vibration with Velocity Dependent Force. Consider a 1 DOF system consisting of a block with mass 2 kg hanging from a spring with stiffness 100 N/m. The block is fully immersed in the liquid and based on the properties of the liquid, you have determined experimentally that the drag force (damping force) on the block has a magnitude of 0.91*] where x is velocity and 0.9 has units (Ns/m). Assume positive displacement of the block is...
Part B Mechanical Energy and Co Problem B1: onservation of Ener Two blocks with masses m,...
Part B Mechanical Energy and Co Problem B1: onservation of Ener Two blocks with masses m, = 5kg and mz = 10kg hans figure below. Block m, is on an incline 8 = 30° and is attach . The system is released from rest with the spring at is natu 40N/m. The block m, is on an inded me = 10kg hang on either side hang on either side of a pulley as shown in is attached to a spring...
Assignment:-GCA-CH07A work-KE Theory Pg12 SCALE-UP Table: Station: A block of mass M is launched up a...
Assignment:-GCA-CH07A work-KE Theory Pg12 SCALE-UP Table: Station: A block of mass M is launched up a rough plane that makes an angle θ with the horizontal by placing (not attached) it against a massless spring compressed by a distance d and releasing it from rest (see "Initial stage" in the figure at right). The block slides a distance L (>d) up the plane and comes off the plane with an unknown speed v (see "Final stage" in the figure at...
Part A (Work Energy) Problem Al: A force F = 24N acts at 60° above the horizontal on a 3kg block that is attached to a spring whose stiffness constant is k = 200. Assume uk = 0.1. The system starts at rest with the spring unextended. If the block moves 40cm, find the work done 24N k = 20N/m 60° N 3kg 1) By the force F. 2) By the friction 3) By the spring 4) What is the...
Problem A1: A person applies a horizontal force of 200N to a 40kg crate that moves 2m along a 5º incline. Find the work on the crate F = 2000 40kg So 4 1) By the person 2) By the friction if uk = 0.25 3) By gravity 4) Using the work energy theorem find the final speed if the crate starts from rest. A block of mass m = 0.2kg is held against but not attached to a spring...
A 250 g block is moving along the “x” axis and at some point a
force in the positive direction of the axis acts on it.
The graph shows the magnitude of the force versus the position
“x” of the particle. The curve is given by F=a/x^2, with a=9.0 N.m2
. Find the work done on the block by the force as the block moves
from x=1.0 m to x=3.0 m by:
a.) Estimating the work from the graph.
b.)...
How do you solve this problem without the work/energy
method?
-0.3m- hec The block has a mass of 0.8 kg and moves within the smooth vertical slot. If it starts from rest when the attached spring is in the unstretched position at A, determine the constant vertical force F which must be applied to the cord so that the block attains a speed vg = 2.5 m/s when it reaches B; $ = 0.15 m. Neglect the size and mass...
Part A (Work Energy) Problem A1: A person applies a horizontal force of 200N to a 40kg crate that moves 2m along a 5º incline. Find the work on the crate X F =200N 1) By the person 2) By the friction if x = 0.25 3) By gravity 4) Using the work energy theorem find the final speed if the crate starts from rest.
Q1-(25 pts) A block of mass m is on a horizontal surface and is attached to a spring whose other end is fixed. The spring constant is k. The coefficient of kinetic friction between the block and the horizontal surface is u. A force Facts on the block always making an angle with the horizontal, as shown in the figure. The magnitude of the force is adjusted so that the block moves with constant speed v on the surface from...
Problem 2 (20%) Free Vibration with Velocity Dependent Force. Consider a 1 DOF system consisting of a block with mass 2 kg hanging from a spring with stiffness 100 N/m. The block is fully immersed in the liquid and based on the properties of the liquid, you have determined experimentally that the drag force (damping force) on the block has a magnitude of 0.91*] where x is velocity and 0.9 has units (Ns/m). Assume positive displacement of the block is...
Part B Mechanical Energy and Co Problem B1: onservation of Ener Two blocks with masses m, = 5kg and mz = 10kg hans figure below. Block m, is on an incline 8 = 30° and is attach . The system is released from rest with the spring at is natu 40N/m. The block m, is on an inded me = 10kg hang on either side hang on either side of a pulley as shown in is attached to a spring...
Assignment:-GCA-CH07A work-KE Theory Pg12 SCALE-UP Table: Station: A block of mass M is launched up a rough plane that makes an angle θ with the horizontal by placing (not attached) it against a massless spring compressed by a distance d and releasing it from rest (see "Initial stage" in the figure at right). The block slides a distance L (>d) up the plane and comes off the plane with an unknown speed v (see "Final stage" in the figure at...
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