The crate has a mass of 50 Kg and the coefficient of static friction between the crate and the plane is us = 0.25. Theminimum horizontal force P required to hold the crate from sliding down the plane is.30°Select one:a. 234.6 NOb.0Oc. 140 NO d. 185 N5:02 AMO 4) G ENG1/29/202 The thin rod has a mass m=5 kg applied at its center of gravity and rests against the rough floor and smooth wall. Thecoefficient of static friction at 'A' is HA=0.25. What would be the normal force at 'A':BSelect one:O a. 5 NO b. 24.52 NOc. 12.26 NO d. 49.05 N5:03 AMO 4)) G ENG1/29/2021

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Description: The crate has a mass of 50 Kg and the coefficient of static friction between the crate and the plane is us = 0.25. Theminimum horizontal force P required to hold the crate from sliding down the plane is.30°Select one:a. 234.6 NOb.0Oc. 140 NO d. 185

We can attempt only one at a time Given that, Mass of crate = 50 kg Static friction = 0.25

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The crate has a mass of 50 Kg and the coefficient of static friction between the crate and the plane is us = 0.25. The minimum horizontal force P required to hold the crate from sliding down the plane is. P 30° Select one: O a. 234.6 N O b.0 C. 140 N d. 185 N

The crate has a mass of 50 Kg and the coefficient of static friction between the crate and the plane is us = 0.25. The minimum horizontal force P required to hold the crate from sliding down the plane is. P 30° Select one: O a. 234.6 N O b.0 C. 140 N d. 185 N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: Newton's Laws Of Motion

Section: Chapter Questions

Problem 31P: The coefficient of static friction between the 3.00-kg crate and the 35.0 incline of Figure P4.31 is...

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The coefficient of static friction between the 3.00-kg crate and the 35.0 incline of Figure P4.31 is 0.300. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? Figure P4.31
(a) Find the tension in each cable supporting the 6.00 102-N cat burglar in Figure P4.35. (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? Figure P4.35
A 9.00-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table (Fig. P5.7). Taking the coefficient of kinetic friction as 0.200, find the tension in the string. Figure P5.7
You are playing with your daughter in the snow. She sits on a sled and asks you to slide her across a flat, horizontal field. You have a choice of (a) pushing her from behind, by applying a force downward on her shoulders at 30 below the horizontal (Fig. 5.2a) or (b) attaching a rope to the front of the sled and pulling with a force at 30 above the horizontal (Fig 5.2b). Which would be easier for you and why?
A man exerts a horizontal force of 112 N on a refrigerator of mass 42.0 kg. If the refrigerator doesnt move, what is the minimum coefficient of static friction between the refrigerator and the floor? (See Section 4.6.)
A 9.00-kg hanging object is connected by a light, in extensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table (Fig. P5.22). Taking the coefficient of kinetic friction as 0.200, find the tension in the string.
(a) Find the tension in each cable supporting the 6.00 102-N cat burglar in Figure P4.35. (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? Figure P4.35
(a) What is the minimum force of friction required to hold the system of Figure P4.74 in equilibrium? (b) What coefficient of static friction between the 100.-N block and the table ensures equilibrium? (c) If the coefficient of kinetic friction between the 100.-N block and the table is 0.250, what hanging weight should replace the 50.0-N weight to allow the system to move at a constant speed once it is set in motion? Figure P4.74
A block of mass 3.00 kg is pushed up against a wall by a force P that makes an angle of = 50.0 with the horizontal as shown in Figure P5.34. The coefficient of static friction between the block and the wall is 0.250. (a) Determine the possible values for the magnitude of P that allow the block to remain stationary. (b) Describe what happens if P has a larger value and what happens if it is smaller. (c) Repeal parts (a) and (b), assuming the force makes an angle of = 13.0 with the horizontal. Figure P5.34
An aerial demonstration aircraft dives at an angle , accelerating from 95.0 m/s to 145 m/s in 7.00 s (Fig. P5.81). The pilot has hung a 0.150-kg keepsake at the end of a string from the hinge on the aircrafts canopy. During the dive, the string of the keepsake is seen to remain perpendicular to the top of the canopy. a. What is the angle of the aircrafts dive? b. What is the tension in the string? FIGURE P5.81
What horizontal force must be applied to a large block of mass M shown in Figure P5.49 so that the tan blocks remain stationary relative to M? Assume all surfaces and the pulley are frictionless. Notice that the force exerted by the string accelerates m2. Figure P5.49 Problems 49 and 53
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