Which situation has the greatest magnitude of net force along incline? (By magnitude we mean |F|.) a)when the cart i...
a)when the cart is going uphill
b)when the cart is going downhill
c)when the cart is at rest
d)the net force is always the same for an incline, f = mgcos?
e)the net force is always the same for an incline, f = mgsin?
Homework Answers
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Which situation has the greatest magnitude of net force along incline? (By magnitude we mean |F|.) a)when the cart i...
1. A 185 g cart is given a quick push up a frictionless incline, giving it...
1. A 185 g cart is given a quick push up a frictionless incline, giving it an initial velocity of 1.45 m/s. The incline is at an angle of 10.0 to the horizontal. You must show your work to get full credit for this problem. a) What is the cart's initial kinetic energy, i.e. when it leaves the launcher? KE =mv eay @ztty =C85k9)(145s) = .1343 b) What is the cart's change in kinetic energy (Kr-Ko) from the launch point...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
The object shown has mass m and is pulled by a constant force F directed parallel...
The object shown has mass m and is pulled by a constant force F directed parallel to the incline. The incline makes an angle 8 with the horizontal. The block moves a distance d up along the inclined plane. The force of friction acts down the incline and has magnitude f. 1. The work done by force F is: a. Fd cos e b.-Fd cos e c. Fd d. -Fd sin e e. Fd sin 8 f. -Fd g. Zero...
In the situation shown in the figure, a person is pulling with a constant, nonzero force F? on string 1, which i...
In the situation shown in the figure, a person is pulling with a
constant, nonzero force
F?
on string 1, which is attached to block A. Block A is also attached
to block B via string 2, as shown.
For this problem, assume that neither string stretches and that
friction is negligible. Both blocks have finite (nonzero) mass.
Question 1.
Which one of the following statements correctly descibes the
relationship between the accelerations of blocks A and
B?
A.
Block...
magnitude 7. An initially stationary block of mass m is on a floor. A force of...
magnitude 7. An initially stationary block of mass m is on a floor. A force of acceleration due to gravity) is then applied at an angle of θ-20° to the oseontal, What is the magnitude of the acceleration of the block across the floor if p, 0.620 and p 0530 A) Om/s B) 005 m/s C) 2.17 m/s D) 0.20 m/s' E) 20 m/s 28. The same heavy wooden block is dragged by a force F along a rough steel...
1.14) A particle of mass m is acted upon by a net force F. As a...
1.14) A particle of mass m is acted upon by a net force F. As a result of the force, the particle starts from rest and moves along a curved path for which the acceleration relative to an inertial Cartesian coordinate system with an origin at the location where the particle is at rest is given by a - with At, B+Ct, and constants. You may assume that the units associated with t are seconds and = D where A,...
1) A cart for hauling ore out of a gold mine has a mass of 447...
1) A cart for hauling ore out of a gold mine has a mass of 447 kg, including its load. The cart runs along a straight stretch of track that climbs a shallow 4.63∘ incline. A donkey, which is trudging along and to the side of the track, has the unenviable job of pulling the cart up the slope with a 436 N force for a distance of 115 m by means of a rope that is parallel to the...
A force F of magnitude 5.40 units acts at the origin in a direction 26.09 above...
A force F of magnitude 5.40 units acts at the origin in a direction 26.09 above the positive x axis. A second force F, of magnitude 5.00 units acts at the origin in the direction of the positive y axis. Find graphically the magnitude and direction of the resultant force Fi + F2 magnitude direction units o counterclockwise from the +x axis Need Help? Resd My Notes Ask Your Teacher car travels horizontally for 192 ft, then climbs 147 ft...
Instructions: 1. Draw the schematic of the situation described in the wording of the problem. This...
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...
Subject: Software Engineering Question 2) a) What does it mean when we say that. software has “diseconomies of scale “? b) Given an example of as situation in which software is reliable but not correc...
Subject: Software Engineering Question 2) a) What does it mean when we say that. software has “diseconomies of scale “? b) Given an example of as situation in which software is reliable but not correct? c) Give an example of situation in which software is reliable but not robust? Please provide the right solution.
1. A 185 g cart is given a quick push up a frictionless incline, giving it an initial velocity of 1.45 m/s. The incline is at an angle of 10.0 to the horizontal. You must show your work to get full credit for this problem. a) What is the cart's initial kinetic energy, i.e. when it leaves the launcher? KE =mv eay @ztty =C85k9)(145s) = .1343 b) What is the cart's change in kinetic energy (Kr-Ko) from the launch point...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
The object shown has mass m and is pulled by a constant force F directed parallel to the incline. The incline makes an angle 8 with the horizontal. The block moves a distance d up along the inclined plane. The force of friction acts down the incline and has magnitude f. 1. The work done by force F is: a. Fd cos e b.-Fd cos e c. Fd d. -Fd sin e e. Fd sin 8 f. -Fd g. Zero...
In the situation shown in the figure, a person is pulling with a
constant, nonzero force
F?
on string 1, which is attached to block A. Block A is also attached
to block B via string 2, as shown.
For this problem, assume that neither string stretches and that
friction is negligible. Both blocks have finite (nonzero) mass.
Question 1.
Which one of the following statements correctly descibes the
relationship between the accelerations of blocks A and
B?
A.
Block...
magnitude 7. An initially stationary block of mass m is on a floor. A force of acceleration due to gravity) is then applied at an angle of θ-20° to the oseontal, What is the magnitude of the acceleration of the block across the floor if p, 0.620 and p 0530 A) Om/s B) 005 m/s C) 2.17 m/s D) 0.20 m/s' E) 20 m/s 28. The same heavy wooden block is dragged by a force F along a rough steel...
1.14) A particle of mass m is acted upon by a net force F. As a result of the force, the particle starts from rest and moves along a curved path for which the acceleration relative to an inertial Cartesian coordinate system with an origin at the location where the particle is at rest is given by a - with At, B+Ct, and constants. You may assume that the units associated with t are seconds and = D where A,...
A force F of magnitude 5.40 units acts at the origin in a direction 26.09 above the positive x axis. A second force F, of magnitude 5.00 units acts at the origin in the direction of the positive y axis. Find graphically the magnitude and direction of the resultant force Fi + F2 magnitude direction units o counterclockwise from the +x axis Need Help? Resd My Notes Ask Your Teacher car travels horizontally for 192 ft, then climbs 147 ft...
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...
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