A garage door is mounted on an overhead rail as shown below. The wheels at A and B have rusted so that they do not roll, but rather slide along the track. The coefficient of kinetic friction is 0.50. The distance between the wheels is 2.00 m, and each are 0.50 from the vertical sides of the door. The door is uniform and weighs 977 N. It is pushed to the left at constant speed by an external horizontal force. If the distance h is 1.54 m: a. What is the vertical component of the force exerted on the wheel A by the track? b. What is the vertical component of the force exerted on the wheel B by the track? c. Find the maximum value h can have without causing one wheel to leave the track. A В E 2.00 m h F K-3.00 m –>

A garage door is mounted on an overhead rail as shown below. The wheels at A and B have rusted so that they do not roll, but rather slide along the track. The coefficient of kinetic friction is 0.50. The distance between the wheels is 2.00 m, and each are 0.50 from the vertical sides of the door. The door is uniform and weighs 977 N. It is pushed to the left at constant speed by an external horizontal force. If the distance h is 1.54 m: a. What is the vertical component of the force exerted on the wheel A by the track? b. What is the vertical component of the force exerted on the wheel B by the track? c. Find the maximum value h can have without causing one wheel to leave the track. A В E 2.00 m h F K-3.00 m –>

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 47P: A man stands on a merry-go-round that is rotating at 2.5 rad/s. If the coefficient of static...

See similar textbooks

Similar questions

A man stands on a merry-go-round that is rotating at 2.5 rad/s. If the coefficient of static friction between the man’s shoes and the merry-go-round is s=0.5 , how far from the axis of rotation can he stand without sliding?
A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 71.6° with the floor. The ladder has a mass 26.6 kg. A 69.16 kg man climbs 82% of the way to the top of the ladder when it slips and falls to the floor. What is the coefficient of static friction be- tween the ladder and the floor?
A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 160 N. The coefficient of static friction between the foot of the ladder and the ground is 0.40. A man weighing 740 N climbs slowly up the ladder. (a) What is the maximum friction force, in Newtons, that the ground can exert on the ladder at its lower end? (b) What is the actual friction force, in Newtons, when the man has climbed 1.0 m along the ladder? (c) How far, in meters, along the ladder can the man climb before the ladder starts to slip?
A tightrope walker with a mass of 70.0kg stands balanced in the middle of a tightrope so that the rope sags 8.00° with respect to the horizontal on both the left and right sides of the midpoint. What is the magnitude of the tension force, in Newtons, in the tightrope if we assume that the tightrope walker and the tightrope are in equilibrium?
A 3.0 m long ladder leans against a frictionless wall at an angle of 60°. What is the minimum value of the coefficient of static friction that prevents the ladder from slipping?
Item 9 A garage door is mounted on an overhead rail (Figure 1). The wheels at A and B have rusted so that they do not roll, but rather slide along the track. The coefficient of kinetic friction is 0.54. The distance between the wheels is 2.00 m, and each is 0.50 m from the vertical sides of the door. The door is uniform and weighs 900 N. It is pushed to the left at constant speed by a horizontal force F, that is applied as shown in the figure. Figure B k A K 2.00 m -3.00 m h F 1 of 1 If the distance his 1.60 m, what is the vertical component of the force exerted on the wheel A by the track? Express your answer to two significant figures and include the appropriate units. μA ? nA = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B If the distance h is 1.60 m, what is the vertical component of the force exerted on the wheel B by the track? Express your answer with the appropriate units. μÅ ? nB = Value Units Submit Request Answer Part…
Help me please
The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.77 kg, and in the figure is the gravitational force on the carton. The biceps muscle applies a force Fg to the forearm directed up and to the right at an angle of 75.0° from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the forearm.) B Milk N -25.0 cm- What is the magnitude of FB (in N)? 75.0⁰ 8.00 cm i
A horizontal force of 170 N is required to push a 180-kg refrigerator across a level linoleum floor. The refrigerator rolls on four 50-mm-diameter plastic wheels. Neglect all friction except rolling resistance and determine the coefficient of rolling friction between the plastic wheels and the linoleum floor.
A bicyclist descends a steep hill having uniform slope. She does not pedal and applies only the rear brake. The rider and bicycle weigh 120lb with center of gravity at point c. Is it possible to descend the hill with uniform speed, and if so, what brake force Q is needed? The coefficient of friction between the tire and pavement is 1.1, and between the brake pad and wheel rim is 0.7, a= 10 .
The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.07 kg, and F in the figure is the gravitational force on the carton. The biceps muscle applies a force F to the forearm directed up and to the right at an angle of 75.00 from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the forearm.) Milk 75.0 25.0 cm 8.00 cm What is the magnitude of F (in N)? B t
Two children push on opposite sides of a door during play. Both push horizontally and perpendicular to the surface of the door. One child pusnes witn a force of 19.5 N at a distance of 0.595 m from the hinges, and the second child pushes at a distance of 0.465 m. What is the magnitude of the force, in newtons, the second child must exert to keep the door from moving? Assume friction is negligible. F, =