Your company needs to move a granite rock up a 15° inclined plane out of a query and to lower the dirt into the mine field to fill the holes. Your team designed a frictionless system consisting of granite-filled cart & dirt- filled bucket connected by a cable that passes through a massless pulley as shown in the figure below. The weight of the granite-filled cart is w1 and the direction of the positive forces is indicated by the long arrow. Cart a Bucket 15°

Your company needs to move a granite rock up a 15° inclined plane out of a query and to lower the dirt into the mine field to fill the holes. Your team designed a frictionless system consisting of granite-filled cart & dirt- filled bucket connected by a cable that passes through a massless pulley as shown in the figure below. The weight of the granite-filled cart is w1 and the direction of the positive forces is indicated by the long arrow. Cart a Bucket 15°

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 30PQ: A sled and rider have a total mass of 56.8 kg. They are on a snowy hill accelerating at 0.7g. The...

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Atwood's machine consists of a frictionless pulley and two masses connected by a cable over the pulley. What is the magnitude of the tension (T)? See figure below. a. 670N b. 451 N c. 834 N d. 392 N
Figure shows a block of mass m resting on a 20∘ slope. The block has coefficients of friction μs = 0.80 and μk = 0.47 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg. a) What is the minimum mass m that will stick and not slip? Express your answer to three significant figures and include the appropriate units. b) If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will it have? Express your answer to three significant figures and include the appropriate units.
Two ideal pulleys (massless and frictionless) form a pulley system that can lift a weight by pulling on the end of a massless rope, as shown below. The upper pulley is attached to the ceiling at point A, and the lower pulley is connected to a box of mass M = 10.0kg. (a) What is the tension in the rope if the box is accelerating upwards with a = 2.00 m/s^2? (b) What is the tension force at point A at the ceiling?
Chuck Schumer tried to use the internet to help solve the following problem, but it did not work. So, he sees no other choice but to use a lot of tax payer money to help him. The problem is that he has a 4-kg can of gasoline resting on a 30 degree incline as shown. If the coefficient of static friction between the can and the incline is 0.7, with what magnitude force must a horizontal force act on the can to start it sliding up the incline toward the back of a truck headed to places unknown? a) 84.1 N b) 34.0 N c) 76.4 N d) 54.7 N e) 51.1 N
A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 34 N. The deltoid muscle is assumed to be the only muscle acting and is attached to the arm as shown. The maximum force M→ that the deltoid muscle can supply has a magnitude of 2976 N. The distances that locate where the various forces act on the arm. What is the weight of the heaviest dumbbell that can be held by the bodybuilder? Note: Express your answer in whole numbers. No unit is required for the final answer.
Suppose you use an ideal pulley of the type shown in (attached image) and find it necessary to exert a force of 210 N to support a load. (a) What is the load's mass?.........................kg(b) What force is exerted on the ceiling? Neglect the pulley system's mass..........................N (upward)
A girl pulls a sled along a level dirt road by means of a rope attached to the front of the sled (see the figure attached). The mass of the sled is 4040 kg, the coefficient of kinetic friction is μk=0.60μk=0.60, and the angle between the rope and the road is 30∘30∘. What pull must the girl exert to move the sled at constant velocity? Notice yet again that the normal force is not equal to the weight!
Suppose you use an ideal pulley of the type shown in (see attached image) to support a car engine of mass 140 kg. (a) What would the tension in the rope be?....................N(b) What force must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system's mass.......................N (upward)
Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high as shown in the figure below. The box has a total mass of 20 kg and the coefficient friction between the box and the ramp is 0.33. How much force is needed by Matthew to move the box uniformly along the inclined ramp? a. 281.6 Nb. 250.6 Nc. 300.0 Nd. 150.0 N
Can you please help me solve this.. A man weighing 400N climbs up a ladder 5 meters long. The ladder initially rests against a frictionless vertical wall and is at 58 degrees above a rough floor with static friction coefficient of 0.25. determine the location of the man that will cause the ladder to slide down. What is the magnitude and direction of the net force acting on the ladder at the floor? Solve for: (a) Direction of force acting on wall (b) Magnitude of force acting on ladder (c) Direction of force acting on ladder •Pls answer with complete and detailed solution (3 DECIMAL PLACES all final answers with correct units) •Sketch an illustration/diagram with labels (this is a must; for a better understanding) Thank you I will give your answer a LIKE for helping me...
I was given this problem, and I don't really know what to do about the fact that the normal force doesn't equal the weight for this problem. How am I supposed to find the kinetic friction coefficient now? A box of mass 2,463g is on level ground being pulled by a force of 6.41N at angle 47.2 above horizontal. If the block is moving with a constant velocity, what is the kinetic friction coefficient? (Hint: the normal force does not always equal the weight; it does not in this case.)
The systems shown below are in equilibrium with m= 5.20 kg and ? = 28.0°. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. Figure (b): A diagonal pulley extends outward from the leftmost edge of a horizontal surface. An object of mass mis suspended from a string which passes over the pulley and anchored at the left end of a spring scale. Another string connects from the right end of the spring scale to a nearby wall. Figure (d): An object of mass mis positioned upon an inclined plane of angle ?. A string parallel to the incline connects the object to a spring scale which is also parallel to the incline and positioned closer to the top of the incline. The opposite end of the scale is anchored at the incline's highest point.