Define angle of repose. Is this angle equal to angle of friction?

Q: A lamp is hung using a cord. The mass of the lamp is 80-grams. Neglecting the weight of the cord,…

A: Given: Mass of the lamp = 80 grams = 0.080 kg

Q: 30 ft _6 ft- 5 ft B ne boy pulls on the rope with a force of 80 lb.

A: Solution:-Step:1    Given,              Force, F=80 lb      co‐ordinates  of  A   is  A0,0,30 ft…

Q: Calculate the component of the force of gravity acting on the box that is parallel to the plane.…

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Q: The 100 lb force is exerted on A to the left. Determine the ma along members AB and AC. 100 lb A 40⁰…

A: We need to convert member forces into components.

Q: F. 15° 700 N

A: It will be calculated by using law of parallelogram of vector addition and sine law.

Q: Problem 3 m₁ slides without friction and is connected by a string over a pair of ideal pulleys to m2…

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Q: A body weighing 350 lb rest on a plane inclined 30 o with the horizontal as shown in Figure. The…

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Q: The coefficient of static friction between the 50-lb box and the incline surface is 0.10. The…

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Q: A 100kg table sits on a horizontal floor. The coefficient of static friction between the table and…

A: Given :  Mass of table, M =  100 kg  Mass of box, m = 20 kg  Coefficient of static friction, u = 0.4…

Q: Two rough blocks are at rest on a slope as shown. Block A mass is 5 kg. Block B mass is 10 kg. The…

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Q: What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her…

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Q: After running a comb through your hair, how do the hairs behave when the comb comes close to them?…

A: After running a comb through your hair, how do the hairs behave when the comb comes close to them is…

Q: 1. Consider the forces acting on these three changes and list in order of the magnitude of the force…

A: The force between the two electric charges is given by the formula: FE = kq1q2r2 Where k =…

Q: You can hold a book against the wall, preventing it from sliding down, if you press your hand…

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Q: A 30 kg object sits on a table. The coefficient of static friction between the object and the table…

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Q: Two uniform 72.1-g marbles 1.69cm in diameter are stacked as shown in the figure, in a container…

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Q: Determine the angle of repose and angle of friction of different grains. Rice Corn Wheat Sorghum

A: Granular material forms a conical pile when put on a horizontal plane. This is because of the…

Q: he total aerodynamic force F acting on the airplane has a magnitude of 6250 lb. Resolve this force…

A: Given data: Magnitude of total aerodynamic force is, F=6250 lb

Q: The image below shows a box with an applied force. The static coefficient of friction between the…

A: Here The magnitude of applied force = F = 400Nangle below the hoizontal = 20o we have to calculate…

Q: Balls A and B attract each other gravitationally with a force of magnitude F at distance R. If we…

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Q: Situation A norm Situation C norm 20 M Fgrav 20 N Problem Solving Situation B Ffriet 5 N 3N…

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Q: 1. In below figure, four coplanar forces act on a body at point O. Find the resultant (magnitude and…

A: F1 = 80 N @0o counterclockwise from + x axis F2 = 100 N @45o counterclockwise from + x axis F3 = 110…

Q: F- 450N F.cos10 Fcos 30 F – 400 N 10 30 F, sin10 R sin 30

A: The total force along the x-axis can be calculated using the given values of F1 and F2 as follows.

Q: A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below.…

A: Given,

Q: You wish to help the child carry the backpack. Find the magnitude of force you should apply to the…

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Q: A 2 Kg object moves on a track to the right at 10 m/s, and then reaches a circular depression.…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”