A 300N force is pulling an 80-kg refrigerator across a horizontal surface. The force acts at...
A 300N force is pulling an 80-kg refrigerator across a horizontal surface. The force acts at an angle of 30.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 10.00 m. Find (a) the work done by the all the forces acting on the refrigerator and the net work done on it.
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A 300N force is pulling an 80-kg refrigerator across a
horizontal surface. The force acts at...
Problem 1: Work done by constant forces. A 500N force is pulling an 100-kg refrigerator across...
Problem 1: Work done by constant forces. A 500N force is pulling an 100-kg refrigerator across a horizontal surface. The force acts at an angle of 36.9 degress above the surface. The coefficient of kinetic friction us 0.200, and the refrigerator moves a distance od 10.00 m. Determine: a.The work done by all the forces acting on the refrigerator. b. The net work acting on the refrigerator. c. The velocity of the refrigerator at the end of the 10 m,...
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?
handwritten with explanation please 9. A 3.59 X 102-N force is used to pull a 95.0-kg...
handwritten with explanation please 9. A 3.59 X 102-N force is used to pull a 95.0-kg refrigerator across a horizontal surface. The force acts at an angle of 23.50 above the horizontal surface. The coefficient of kinetic friction is 0.289, and the refrigerator moves a distance of 12.3 m. (a) What is the work done by the pulling force? (b) What is the work done by the kinetic frictional force?
A 2.00 102-kg crate is being pushed across a horizontal floor by a force P with...
A 2.00 102-kg crate is being pushed across a horizontal floor by a force P with arrow that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.200. What should be the magnitude of P with arrow, so that the net work done by it and the kinetic frictional force is zero?
a 20 kg block moves on a horizontal surface. A force F that has a magnitude...
a 20 kg block moves on a horizontal surface. A force F that has a magnitude 80 N and direction 30.0 above the horizontal acts on the the block and the block slides along the surface. If the coefficient of kinetic friction between the block and the surface is Uk=20, what is the magnitude of the friction force that the surface exerts on the block?
A 100 kg crate is being pushed across a horizontal floor by a force P...
A 100 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0o below the horizontal. The coefficient of kinetic friction is 0.200.What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
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?
3) A constant pulling force of 150 N applied at an angle of 21.7° above the...
3) A constant pulling force of 150 N applied at an angle of 21.7° above the horizontal, accelerates a crate across a rough horizontal surface. The has mass 35.2 kg, and the acceleration is 0.571 m/s. a) What is the normal force acting on the crate? b) What is the friction force acting on the crate? c) What is the coefficient of kinetic friction between surface?
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force...
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 297 N for 6.3 s, during which time the refrigerator moves a distance of 2.9 m at constant velocity. (a) What is the total work (by all forces) done on the refrigerator? J (b) What is the work done by friction? J
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?
3) A constant pulling force of 150 N applied at an angle of 21.7° above the horizontal, accelerates a crate across a rough horizontal surface. The has mass 35.2 kg, and the acceleration is 0.571 m/s. a) What is the normal force acting on the crate? b) What is the friction force acting on the crate? c) What is the coefficient of kinetic friction between surface?
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
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