A boy pulls a 25.0-kg box with a 160-N force at 34° above a horizontal surface....
A boy pulls a 25.0-kg box with a 160-N force at 34° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is is 0.17 and the box is pulled a distance of 38.0 m, what is the net work done on the box?
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A boy pulls a 25.0-kg box with a 160-N force at 34° above a
horizontal surface....
A boy pulls a 20.0-kg box with a 160-N force at 39° above a horizontal surface....
A boy pulls a 20.0-kg box with a 160-N force at 39° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.18 and the box is pulled a distance of 30.0 m, what is the net work done on the box?
2. A boy pulls a 23.0-kg box with a 230-N force at 30° above a horizontal...
2. A boy pulls a 23.0-kg box with a 230-N force at 30° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is is 0.21 and the box is pulled a distance of 22.0 m, what is the work done by the friction force on the box?
Starting from rest, a student pulls a (25.0+A) kg box a distance of (4.50 + B)...
Starting from rest, a student pulls a (25.0+A) kg box a distance of (4.50 + B) m across the floor using a (134 + C) N force applied at 35.0 degrees above horizontal. The coefficient of kinetic friction is 0.220 between the floor and the box. Find the work done by the pulling force. Give your answer in joules (J) and with 3 significant figures. A=1 B=3 C=11
A 200-kg roller coaster reaches the top of the steepest hill with a speed of 5.60...
A 200-kg roller coaster reaches the top of the steepest hill with a speed of 5.60 km/h. It then descends the hill, which is at an angle of 25° and is 58.0 m long. What will its kinetic energy be when it reaches the bottom? Assume µk = 0.10. A boy pulls a 20.0-kg box with a 130-N force at 33° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.29...
A tension force of 145 N inclined at 25.0° above the horizontal is used to pull...
A tension force of 145 N inclined at 25.0° above the horizontal is used to pull a 39.0 kg shipping crate a distance of 3.60 m on a rough surface. If the crate moves at a constant speed, find (a) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface. i know that a is 473.09 but i cant figure out part b.
A horizontal force of 150 N is used to push a 40-kg box on a rough,...
A horizontal force of 150 N is used to push a 40-kg box on a rough, horizontal surface through a distance of 6 m. If the box moves at a constant speed, find: a) the work done by the 150 N force b) the work done by friction c) the coefficient of kinetic friction
A8 kg box is being pulled across a horizontal surface. The pulling force has a magnitude...
A8 kg box is being pulled across a horizontal surface. The pulling force has a magnitude of 55 N and acts at an angle of 30° above the horizontal. The coefficient of kinetic friction between the surface and box is 0.2. What is the normal force acting on the box?
A tension force of 135 N inclined at 15.0° above the horizontal is used to pull...
A tension force of 135 N inclined at 15.0° above the horizontal is used to pull a 29.0 kg storage crate a distance of 3.60 m on a rough surface. If the crate moves at a constant speed, find (a) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface HINT (a) the work done by the tension force (in J) X J Enter a number. (b) the coefficient of kinetic...
A block of mass M is pulled over a rough horizontal surface. The block has a...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of . The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of 0 with the horizontal. The box was initially travelling to the right at speed v = 2.7 m. If M...
15. A 12-kg crate rests on a horizontal surface and a boy pulls on it with...
15. A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30° below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is: A) 44 N B) 47 N C) 54 N D) 56 N E) 71 N
A horizontal force of 150 N is used to push a 40-kg box on a rough, horizontal surface through a distance of 6 m. If the box moves at a constant speed, find: a) the work done by the 150 N force b) the work done by friction c) the coefficient of kinetic friction
A8 kg box is being pulled across a horizontal surface. The pulling force has a magnitude of 55 N and acts at an angle of 30° above the horizontal. The coefficient of kinetic friction between the surface and box is 0.2. What is the normal force acting on the box?
A tension force of 135 N inclined at 15.0° above the horizontal is used to pull a 29.0 kg storage crate a distance of 3.60 m on a rough surface. If the crate moves at a constant speed, find (a) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface HINT (a) the work done by the tension force (in J) X J Enter a number. (b) the coefficient of kinetic...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of . The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of 0 with the horizontal. The box was initially travelling to the right at speed v = 2.7 m. If M...
15. A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30° below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is: A) 44 N B) 47 N C) 54 N D) 56 N E) 71 N
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