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1. A 50-g hanging mass B pulls a 200-g mass A with constant speed on a...
1) Starting from a free body diagram, algebraically derive mass hanging mass hanging mass of box...
1) Starting from a free body diagram, algebraically derive mass hanging mass hanging mass of box massof box Pulley box Mass 2) Starting from a free body diagram, algebraically derive equation μ-tan(0) box man pushes a crate massing 50 kg at a constant speed up a ramp inclined at an angle of 30 to the horizontal. The coefficient of kinetic friction between the crate and the ramp is .40. What force must the man exert on the crate?
A dad pulls his child on a sled at a constant speed across a rugged snowy...
A dad pulls his child on a sled at a constant speed across a rugged snowy road with a force of 159 N in a direction of 42° above the horizontal. The mass of the child and sled is 38 kg. Compute the coefficient of friction. (HINT: Set up the force equations and Derive the expression the coefficient of friction between sled and snow.)
A mother pulls her child on a sled at a constant speed across a rugged snowy...
A mother pulls her child on a sled at a constant speed across a rugged snowy road with a force of 160 N in a direction of 45° above the horizontal. The mass of the child and sled is 41 kg. What is the coefficient of friction. Write out all steps and explain.
wooden block with mass M 3 kg is lying on a horizontal table and is attached to a spring in its equilibrium position. It is hit by a bullet with mass m 5 g which moves horizontally. The bullet re...
wooden block with mass M 3 kg is lying on a horizontal table and is attached to a spring in its equilibrium position. It is hit by a bullet with mass m 5 g which moves horizontally. The bullet remains in the block after colliding with it. The block moves on the table compressing the spring, with spring constant k 50 Nm, a distance 10 cm. The coefficient of kinetic friction uk 0.2. a) Find the elastic energy stored in...
a person pulls a toboggan of mass M=5kg from rest for a distance of 35.0 m...
a person pulls a toboggan of mass M=5kg from rest for a distance of 35.0 m along the snow with a rope directed 25 degrees above the snow. the tension in the rope is 30N. (a) if the coefficient of kinetic friction between the toboggan and the snow if uk= 0.5, what is the work done by the friction? (what is the final speed of the toboggan?
A block of mass 0.125 kg is hanging on a spring. Nora gently pulls the mass...
A block of mass 0.125 kg is hanging on a spring. Nora gently pulls the mass down a distance of 3.6 cm and then lets go. The mass bobs up and down in simple harmonic motion (i.e. it oscillates) with a period of 0.47 s. (a) What is the value of the spring constant? N/m Nora stops the mass from oscillating. She gently pulls the mass down again, this time to a distance of 4.6 cm, and lets the mass...
A 1 kg block is initially at rest on a table connected to a hanging mass over a pulley
A 1 kg block is initially at rest on a table connected to a hanging mass over a pulley. The coefficient of static friction is 0.20, the coefficient of kinetic friction is 0.15. What is the tension in the line when a 150 g mass is hung from the line? What is the tension when a 300 g mass is hung?
A hanging weight, with a mass of m, -0.370, is attached by a rope to a...
A hanging weight, with a mass of m, -0.370, is attached by a rope to a block with mass-0070 Ahow in the gure below. The rope goes over a pulley with a f.350 G. The pulley can be modeled as a hollow cylinder with an inner radius of R = 0.0200, and an outer radius of R, -0.0300 m the mass of the spoke is negligible. As the weight fals, the black shoes on the table, and the coefficient of...
4. A band belt is used to control the speed of a 50 kg flywheel as...
4. A band belt is used to control the speed of a 50 kg flywheel as shown. A couple M of magnitude 200 N-m is applied to the flywheel and the coefficient of friction between the belt and the flywheel is s 0.5 and uk 0.4. Determine: a. the minimum magnitude of the force P being applied to the brake so that the flywheel rotates at a constant speed. the reactions at B and O. b. 100 mm 900 mm...
4) Bubba pulls two boxes across the floor of his barn. One box has a mass...
4) Bubba pulls two boxes across the floor of his barn. One box has a mass (m1) of 20.4 kg and has a coefficient of kinetic friction of 0.321 with respect to the floor. The second box has a mass (m2) of 23.1 kg and a coefficient of kinetic friction of 0.177 with respect to the floor. The two boxes are connected with a rope. Bubba pulls on another rope connected to the second box. All of the ropes are...
1) Starting from a free body diagram, algebraically derive mass hanging mass hanging mass of box massof box Pulley box Mass 2) Starting from a free body diagram, algebraically derive equation μ-tan(0) box man pushes a crate massing 50 kg at a constant speed up a ramp inclined at an angle of 30 to the horizontal. The coefficient of kinetic friction between the crate and the ramp is .40. What force must the man exert on the crate?
wooden block with mass M 3 kg is lying on a horizontal table and is attached to a spring in its equilibrium position. It is hit by a bullet with mass m 5 g which moves horizontally. The bullet remains in the block after colliding with it. The block moves on the table compressing the spring, with spring constant k 50 Nm, a distance 10 cm. The coefficient of kinetic friction uk 0.2. a) Find the elastic energy stored in...
A block of mass 0.125 kg is hanging on a spring. Nora gently pulls the mass down a distance of 3.6 cm and then lets go. The mass bobs up and down in simple harmonic motion (i.e. it oscillates) with a period of 0.47 s. (a) What is the value of the spring constant? N/m Nora stops the mass from oscillating. She gently pulls the mass down again, this time to a distance of 4.6 cm, and lets the mass...
A hanging weight, with a mass of m, -0.370, is attached by a rope to a block with mass-0070 Ahow in the gure below. The rope goes over a pulley with a f.350 G. The pulley can be modeled as a hollow cylinder with an inner radius of R = 0.0200, and an outer radius of R, -0.0300 m the mass of the spoke is negligible. As the weight fals, the black shoes on the table, and the coefficient of...
4. A band belt is used to control the speed of a 50 kg flywheel as shown. A couple M of magnitude 200 N-m is applied to the flywheel and the coefficient of friction between the belt and the flywheel is s 0.5 and uk 0.4. Determine: a. the minimum magnitude of the force P being applied to the brake so that the flywheel rotates at a constant speed. the reactions at B and O. b. 100 mm 900 mm...
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