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Amass m is pulled along a rough table at constant velocity with an external force Fext...
question 1 A block of mass m is pulled at constant velocity along a rough horizontal...
question 1 A block of mass m is pulled at constant velocity along a rough horizontal floor by an applied force � as shown. What is the magnitude of frictional force? Write your answer in terms of m, g, T, or q. question 2 An 8000-N car is traveling at 12 m/s along a horizontal road when the brakes are applied. The car skids to a stop in 4.0 s. How much kinetic energy does the car lose in this...
A block of mass m is pulled along a rough horizontal floor by an applied force...
A block of mass m is pulled along a rough horizontal floor by an applied force T that makes an angle with the horizontal. The vertical force exerted on the block by the floor is: a mg - Tsine b. mg + Tsine c. mg d. mg-T cose Question 10 Moving to the next question prevents changes to this answer.
11. A BO N. horizontal force is applied on a 10 kg block along a rough...
11. A BO N. horizontal force is applied on a 10 kg block along a rough horizontal surface. If the coefficient of static friction between the block and the surfaces is 0.40 and the coefficient of kinetic friction between the block and the surface hk is 0.3. What is the magnitude of the frictional force that acts on the block? A) 39 N B) 29 N C) 20 N D) 10 N E ) ON
A sled is being pulled across rough snow by a rope at an angle of 20°...
A sled is being pulled across rough snow by a rope at an angle of 20° to the horizontal. The sled has a mass of 31 kg and the passenger has a mass of 22 kg. The sled is moving at a steady 0.63 m/s. The force on the rope is 65 N. A. Draw a free body diagram for the sled and passenger as one thing. B. What is the normal force on the sled? C. What is the...
A block is pulled along a rough horizontal surface by force of magnitude 100 Newtons, at...
A block is pulled along a rough horizontal surface by force of
magnitude 100 Newtons, at an angle of 30 degrees as shown. The
block has a mass M=20.0 kg, and the coefficient of kinetic friction
between the block and the surface is 0.50.
a)The horizontal component of the tension, T, is
b)The normal force exerted upward by the floor on the block has
a magnitude of
c)If the block moves 10.0 m to the right, the work done by...
Please help A. A block is pulled along a horizontal surface by a force of 12.0...
Please help
A. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 4.00 kg and it accelerates at 2.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface. B. A stone falls vertically through the air and experiences a drag force. If the stone's mass is 6.00 kg. and the drag force (upwards force) is 14.0 N, what is the acceleration of...
a-d? A block of mass mrests on an air table (no friction), and is pulled with...
a-d?
A block of mass mrests on an air table (no friction), and is pulled with a force probe, producing the Force vs. acceleration graph shown below. Investigating Forces & Acceleration (a) Determine the mass of the block. The block is now placed on a rough, horizontal board having a coefficient of static friction 16-0.50, and a coefficient of kinetic (sliding) friction 0.30. A horizontal 10.0 N force is then exerted on the block. H-0.50 ; 2-0.30 (b) What is...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object. Which of the following is correct? A) The object continues to move to the left, and its speed increases. B) The object continues to move to the left with a constant speed. C) The object continues to move to the left, and its speed decreases. D) The object immediately stops and then begins moving to the right...
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...
A 40 kg crate is pulled 50 m along a horizontal floor by a constant force...
A 40 kg crate is pulled 50 m along a horizontal floor by a constant force exerted by a person, Fp = 150 N, which acts as 30 degree angle. The floor is rough and exerts a friction for Ff = 40 N. Determine: a) the work done by each force acting on the crate b) the net work done on the crate
A block of mass m is pulled along a rough horizontal floor by an applied force T that makes an angle with the horizontal. The vertical force exerted on the block by the floor is: a mg - Tsine b. mg + Tsine c. mg d. mg-T cose Question 10 Moving to the next question prevents changes to this answer.
11. A BO N. horizontal force is applied on a 10 kg block along a rough horizontal surface. If the coefficient of static friction between the block and the surfaces is 0.40 and the coefficient of kinetic friction between the block and the surface hk is 0.3. What is the magnitude of the frictional force that acts on the block? A) 39 N B) 29 N C) 20 N D) 10 N E ) ON
A block is pulled along a rough horizontal surface by force of
magnitude 100 Newtons, at an angle of 30 degrees as shown. The
block has a mass M=20.0 kg, and the coefficient of kinetic friction
between the block and the surface is 0.50.
a)The horizontal component of the tension, T, is
b)The normal force exerted upward by the floor on the block has
a magnitude of
c)If the block moves 10.0 m to the right, the work done by...
Please help
A. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 4.00 kg and it accelerates at 2.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface. B. A stone falls vertically through the air and experiences a drag force. If the stone's mass is 6.00 kg. and the drag force (upwards force) is 14.0 N, what is the acceleration of...
a-d?
A block of mass mrests on an air table (no friction), and is pulled with a force probe, producing the Force vs. acceleration graph shown below. Investigating Forces & Acceleration (a) Determine the mass of the block. The block is now placed on a rough, horizontal board having a coefficient of static friction 16-0.50, and a coefficient of kinetic (sliding) friction 0.30. A horizontal 10.0 N force is then exerted on the block. H-0.50 ; 2-0.30 (b) What is...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object. Which of the following is correct? A) The object continues to move to the left, and its speed increases. B) The object continues to move to the left with a constant speed. C) The object continues to move to the left, and its speed decreases. D) The object immediately stops and then begins moving to the right...
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...
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