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nework 5 : Oct 5 at 9:28pm iz Instructions Question 1 27 pts A mass of...
A mass of 9 kg rests on a floor with a coefficient of static friction of...
A mass of 9 kg rests on a floor with a coefficient of static friction of 1.25 and coefficient of kinetic friction of kinetic friction of 0.1. One force is applied vertically downward of 10 Newtons and another force is applied at an angle of 15 degrees below the horizontal. Calculate what the magnitude this force needs to be in order to begin to move the mass. If the same amount of force is applied at the same angle above...
1) A mass of 8 kg rests on a floor with friction. One force is applied...
1) A mass of 8 kg rests on a floor with friction. One force is applied vertically downward of 21 Newtons and another force is applied in the +x direction such that it just begins to move the mass. The force of 21 Newtons is then applied vertically upwards instead of downwards and another force is applied in the +x direction which just begins to move the mass that force is 137 Newtons less than the first case. What is...
A mass of 7 kg rests on a floor with friction. One force is applied vertically...
A mass of 7 kg rests on a floor with friction. One force is applied vertically downward of 23 Newtons and another force is applied in the +x direction such that it just begins to move the mass. The force of 23 Newtons is then applied vertically upwards instead of downwards and another force is applied in the +x direction which just begins to move the mass that force is 141 Newtons less than the first case. What is the...
QUESTION 5 A mass of 12 kg is placed on a horizontal surface with friction with...
QUESTION 5 A mass of 12 kg is placed on a horizontal surface with friction with a coefficient of static friction of 0.81 and coefficient of kinetic friction of 0.44. A force of 13 Newtons is applied in the -y direction and a force of 16 Newtons is also applied in the -y direction. Another force is applied in the +x direction (see sketch). The force applied in the +x direction is increased until it is 1.9 times the force...
A mass of 4 kg is placed on a horizontal surface with a coefficient of kinetic...
A mass of 4 kg is placed on a horizontal surface with a coefficient of kinetic friction of 0.29. A force is applied vertically downward to it and another force of 88 Newtons is applied at 11 degrees below the horizontal. As it moves 9 meters in the +x direction it loses 194 Joules of kinetic energy. What is the amount of the force which is applied downward in Newtons? * the answers is 316.17, but how do you get...
help! (22 POINTS) 3 ) A block with a mass of 20 kg rests on a...
help!
(22 POINTS) 3 ) A block with a mass of 20 kg rests on a hill inclined at 30P to the horizontal. The coefficient of static friction is 0.25 and the coefficient of kinetic friction is 0.15. What is the magnitude of a force (Fa), applied parallel to the incline, needed to move the block UP the hill at a constant velocity? Express your answer in Newtons using 3 significant figures.
2. A body of mass 30 kg rests on a rough horizontal plane, the coefficient of...
2. A body of mass 30 kg rests on a rough horizontal plane, the coefficient of friction between the mass and the plane is 0.5. Find the least force necessary to move the body if the force acts: (a). parallel to the plane. (b) at an angle of 30° above the horizontal.
A mass of 7 kg is resting on a horizontal, frictionless surface. Force 1 is applied...
A mass of 7 kg is resting on a horizontal, frictionless surface. Force 1 is applied to it at 23 degrees below the horizontal, force 2 has a magnitude of 19 N and is applied vertically downward, force 3 has a magnitude of 3 N and is applied vertically upwards, and force 4 has a magnitude of 21 N and is applied in the-x direction to the object. When these forces are applied to the object, the object moves 9...
Question 4 8 pts A box of mass m = 7 kg is being pushed up...
Question 4 8 pts A box of mass m = 7 kg is being pushed up a ramp that is angled 15 degrees above horizontal. The pushing force P = 49 N. The coefficient of kinetic friction is 0.215. At a certain time the velocity of the box moving up the ramp is 1.0 m/s. How far will the box been pushed during the next 3.0 seconds assuming the same pushing force is applied? In your solution you must show:...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6 degrees above the horizontal) until it stops momentarily because of friction. The coefficient of static friction between the mass and incline is 0.7; the coefficient of kinetic friction between the mass and incline is 0.4. At a given instant, the mass is moving with speed of 7.1 m/s up the incline. How far beyond this point along the incline will the mass move before...
help!
(22 POINTS) 3 ) A block with a mass of 20 kg rests on a hill inclined at 30P to the horizontal. The coefficient of static friction is 0.25 and the coefficient of kinetic friction is 0.15. What is the magnitude of a force (Fa), applied parallel to the incline, needed to move the block UP the hill at a constant velocity? Express your answer in Newtons using 3 significant figures.
2. A body of mass 30 kg rests on a rough horizontal plane, the coefficient of friction between the mass and the plane is 0.5. Find the least force necessary to move the body if the force acts: (a). parallel to the plane. (b) at an angle of 30° above the horizontal.
A mass of 7 kg is resting on a horizontal, frictionless surface. Force 1 is applied to it at 23 degrees below the horizontal, force 2 has a magnitude of 19 N and is applied vertically downward, force 3 has a magnitude of 3 N and is applied vertically upwards, and force 4 has a magnitude of 21 N and is applied in the-x direction to the object. When these forces are applied to the object, the object moves 9...
Question 4 8 pts A box of mass m = 7 kg is being pushed up a ramp that is angled 15 degrees above horizontal. The pushing force P = 49 N. The coefficient of kinetic friction is 0.215. At a certain time the velocity of the box moving up the ramp is 1.0 m/s. How far will the box been pushed during the next 3.0 seconds assuming the same pushing force is applied? In your solution you must show:...
D | Question 2 1 pts A mass m slides up an incline (with 0 27.6 degrees above the horizontal) until it stops momentarily because of friction. The coefficient of static friction between the mass and incline is 0.7; the coefficient of kinetic friction between the mass and incline is 0.4. At a given instant, the mass is moving with speed of 7.1 m/s up the incline. How far beyond this point along the incline will the mass move before...
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