Problem 5: A 5-kg block rests on a 30° incline.
Problem 5:
A 5-kg block rests on a 30° incline. The coefficient of static friction between the block and incline is 0.20. How large a horizontal force must push on the block if the block is to be on the verge of sliding up the incline?
Homework Answers
A 5 kg block rests on a 30 degree incline. The coefficient of static friction between...
A 5 kg block rests on a 30 degree incline. The coefficient of static friction between the block and the incline is .20. How large a horizontal force must push on the block if the block is to be on the verge of sliding A) up the incline and B) down an incline Answer: A) 43 N B) 16.6 N What would be the work to get me to this answer?
Question 9 1 pts A 2.3-kg block rests on a 6 = 29° incline as shown...
Question 9 1 pts A 2.3-kg block rests on a 6 = 29° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.60.what magnitude horizontal force Fin Newtons must act on the block to start it moving up the incline? F Question 10 1 pts An object weighing 4.4 N falls from rest subject to a frictional drag force given by Fdrag = bv2 where v is the speed of...
A 5.0 kg box is on an incline tilted 45° from the horizontal. The coefficient of...
A 5.0 kg box is on an incline tilted 45° from the horizontal. The coefficient of static friction between the box and the incline is 0.62. (a) Find the smallest force you have to push with (up along the incline) to keep the box from sliding down the incline. (b) Find the largest force you can push with before the box starts sliding UP the incline. Draw separate free-body diagrams for the two cases, and think carefully about which way...
A 20 kg concrete block rests on an incline as shown, where the coefficient of static...
A 20 kg concrete block rests on an incline as shown, where the coefficient of static friction is 0.3 between the block and the incline. In the question that follows, select the answer that is closest to the true value. What is the component of the block weight in a direction perpendicular to the incline surface in N? P 180 mm 30° -Hs 180 mm 120 mm 210 182 170 220
help! (22 POINTS) 3 ) A block with a mass of 20 kg rests on a...
help!
(22 POINTS) 3 ) A block with a mass of 20 kg rests on a hill inclined at 30P to the horizontal. The coefficient of static friction is 0.25 and the coefficient of kinetic friction is 0.15. What is the magnitude of a force (Fa), applied parallel to the incline, needed to move the block UP the hill at a constant velocity? Express your answer in Newtons using 3 significant figures.
Problem 2 A block A of 0.5-kg rests on a horizontal, frictionless surface. The block is...
Problem 2 A block A of 0.5-kg rests on a horizontal, frictionless surface. The block is pressed back against a spring having a constant of k 400 N/m, compressing the spring by 12.0 cm. Then the b sreleased. The incline has a friction coefficient μ-02, and the horizontal surface has no friction. 1. Find the maximum distance d the block travels up the incline if -40 (Position C) 2. How fast is the block moving up when halfway to its...
A block is resting on a horizontal surface. The mass of the block is 40 kg....
A block is resting on a horizontal surface. The mass of the block is 40 kg. The coefficient of static friction between the block and the surface is us = 0.3 and the coefficient of kinetic friction is uk = 0.20. A man then decides to push on the block with 30 newtons of horizontal force. a) What is the acceleration of the block? Explain. b) Suppose the man pushes on the block with 200 newtons instead. What is the...
A block of mass 3.0 kg rests on an inclined plane that makes an angle withthe...
A block of mass 3.0 kg rests on an inclined plane that makes an angle withthe horizontal of 25◦. If the maximum friction force between the block and the surfaceis 11.6 N, find the coefficient of static friction.
A 3.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless...
A 3.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The coefficient of static friction between the two blocks is0.500. What is the maximum horizontal force that can be applied before the 3.00-kg block begins to slip relative to the 12.0-kg block, if the force is applied to each of the following? (a) Find the acceleration with which Robin is pulled upward. (b) Find the tension in the rope while Robin escapes.
3: A 10 kg box rests on a 30 degree incline and begins to slide down....
3: A 10 kg box rests on a 30 degree incline and begins to slide down. (a) what is the acceleration if no friction is present? (b) What is the acceleration if the coefficient of kinetic friction is 0.20? (c) What is the final speed of the box when it reaches the bottom of an incline that is 200 m (use the answer in part b) For problem 3 the input in EXCEL should be: Mass of the box, angle...
Question 9 1 pts A 2.3-kg block rests on a 6 = 29° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.60.what magnitude horizontal force Fin Newtons must act on the block to start it moving up the incline? F Question 10 1 pts An object weighing 4.4 N falls from rest subject to a frictional drag force given by Fdrag = bv2 where v is the speed of...
A 20 kg concrete block rests on an incline as shown, where the coefficient of static friction is 0.3 between the block and the incline. In the question that follows, select the answer that is closest to the true value. What is the component of the block weight in a direction perpendicular to the incline surface in N? P 180 mm 30° -Hs 180 mm 120 mm 210 182 170 220
help!
(22 POINTS) 3 ) A block with a mass of 20 kg rests on a hill inclined at 30P to the horizontal. The coefficient of static friction is 0.25 and the coefficient of kinetic friction is 0.15. What is the magnitude of a force (Fa), applied parallel to the incline, needed to move the block UP the hill at a constant velocity? Express your answer in Newtons using 3 significant figures.
Problem 2 A block A of 0.5-kg rests on a horizontal, frictionless surface. The block is pressed back against a spring having a constant of k 400 N/m, compressing the spring by 12.0 cm. Then the b sreleased. The incline has a friction coefficient μ-02, and the horizontal surface has no friction. 1. Find the maximum distance d the block travels up the incline if -40 (Position C) 2. How fast is the block moving up when halfway to its...
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