a bridge across a small stream is made by supporting a 10m long log with a mass of 75kg with ropes tied at the ends of the log to the tree on the banks. the rope on the right makes a 25 degree angle with the ground. the rope on the left makes a 20 degree angle with the ground. a 25kg child us standing 7.5 m from the left bank. write the net force equation for the y direction. write the net force equation for the x direction. write the torque equation (use the left end of the log as the axis of rotation).

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A:

Q: A 2kg box is being pulled up a ramp by a force of 24N. The ramp is at an angle of 35 degrees from…

A: Mass of box (m) = 2 kg Applied force = 24 N Angle of ramp (θ) = 35oFrictional force (f) = 1.5 N

Q: Use the rectangular component method to solve the fol- lowing problems. Determine the magnitude R of…

A: Unit vector along force F1 is Unit vector along force F2 is The resultant of the two forces is…

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Q: An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An…

A: The acceleration of the of the electron is,

Q: A Force F, and F2 act on an object at the origin. F1 acts on the object at the direction of 0 =…

A:

Q: A baseball approaches home plate at a speed of 50.0 m/s, moving horizontally just before being hit…

A:

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A:

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A: FA = 219 N FC = 189 N θ = 151° To find = Magnitude of Betty's force

Q: A student pushes a 64.0 kg sofa with a force of 89.0 N [→ 37°↓]. Her father helps her by pulling the…

A:

Q: A box is hanging at rest from the ceiling by two ropes. The rope on the left (Rope 1) forms a…

A: Recall  For the equilibrium of the box∑Fx=0∑Fy=0

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A:

Q: A drone is being directed across a frictionless ice covered lake. The mass of the drone is 1.50 kg,…

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Q: In the wheelbarrow, the load has a perpendicular lever arm of 7.50 cm, while the hands have a…

A: Given, Load perpendicular level, Lo=7.50 cm, Hands lever arm, Li=1.02 m, the mass of the…

Q: The diagram below is a top-down view of two children pulling a 13.1-kg sled along the snow. The…

A: Introduction: According to Newton's 2nd law of motion, force acting on body produces the…

Q: The diagram below is a top-down view of two children pulling a 12.1-kg sled along the snow. The…

A:

Q: I push on a wall with a force of 22.7 Newtons. My mass is 83 kilograms, and I am balancing a ball…

A: Solution: Given that F = 22.7 N m = 83 kg m of ball = 10.9 kg

Q: I push on a wall with a force of 22.7 Newtons. My mass is 83 kilograms, and I am balancing a ball…

A: SOlution: Given that F = 22.7 N m = 83 kg m of ball = 10.9 kg

Q: A baseball approaches home plate at a speed of 48.0 m/s, moving horizontally just before being hit…

A: The mass of the ball is 145g, the initial and final velocity of the ball is 48m/s and 57m/s…

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A: FA = 219 N Fc = 187 N θ = 154° To find = Magnitude of Betty's force

Q: a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A:

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A:

Q: Two forces A and B as shown in figure if the magnitudes JAJ=3 N and |B|=5 N are applied to an object…

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Q: A baseball approaches home plate at a speed of 40.0 m/s, moving horizontally just before being hit…

A: From Newton’s second law of motion.

Q: Two constant forces act on an object of mass m - 4.30 kg object moving in the xy plane as shown in…

A: Hey, since there is multiple subpart question posted, we will answer first three questions. If you…

Q: The hamstrings pull on the tibia with a force of 510 N at 30 degrees to the bone: that is the angle…

A:

Q: nd the magnitude and direction of the resultant force for the system of forces shown in the figure.…

A: Given F1=10N,F2=40N,F3=15N,F4=40N,F5=90N,F6=90N,F7=40N θ1=20,θ2=35,θ4=50,θ6=30

Q: Problem 4( is m, = 3 kg and the mass of block two is m, - 8 kg. A force is applied on m; to start…

A:

Q: A particle, which remains at rest, is acted on by three forces F, G and H. The force F has magnitude…

A: Required   magnitude of G and H forces

Q: A force F is applied at the top of the tower at A. If it acts in the direction shown such that one…

A:

Q: Consider the block shown in the figure, which has a mass m and is sitting at rest on a ramp making…

A: Normal force due to the ramp

Q: A block of mass m; = 4.0 kg is put on top of a block of mass mp = 7.0 kg. To cause the top block to…

A: Since 19 N force must be applied to slip top block so frictional force between the two blocks must…

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Q: There are two forces on the 1.66 kg box in the overhead view of the figure but only one is shown.…

A:

Q: wo packing crates of masses m1 = 10.0 kg and m2 = 5.90 kg are connected by a light string that…

A: SOlution: given that m1 = 10.0 kg and m2 = 5.90 kg  incline of angle 45.0°

Q: The figure below shows two boxes connected to each other by a light cord that passes over a pulley…

A:

Q: cargo is being pulled by two sailboats, both having equal magnitude of forces. The first sailboat is…

A: Resultant of two forces can be determined by parallelogram law of vector.

Q: The slope of the 4.1 kN force F is specified as shown in the figure. Express F as a vector in terms…

A:

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A: Given: Two boxes are in contact as shown in the question. Mass of  box  A is mA = 10.2 kg,     mass…

Q: A baseball approaches home plate at a speed of 50.0 m/s, moving horizontally just before being hit…

A:

Q: Two blocks with masses m¡= 3.00 kg and m2 = 4.00 kg are connected by a light piece of red string.…

A: (c) Analyze the free body diagram of the system.

Q: A force of magnitude 7.5 N pushes threes boxes with masses mi 1.3 kg, m2 - 3.2 kg and m3 4.9 kg, as…

A: The net force acting on an object is equal to the product of mass and the acceleration of the…

Q: 6 m 6 m 8 kg m kg 8 kg nooth pulley are 12 m apart at the same horizontal level. A light…

A: Given: m1=m2=8kgL=20mD=12 m

Q: The figure below shows a block weighing 22 N in contact with a vertical wall. Two forces are applied…

A:

Q: There are two forces on the 1.82 kg box in the overhead view of the figure but only one is shown.…

A: Given: Mass of box is m=1.82 kg Acceleration magnitude is a=13.5 m/s2 Angle made by acceleration…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.