500 J of work is put into a lever arm that is 1 m long by...
500 J of work is put into a lever arm that is 1 m long by applying a constant force perpendicular to the arm, halfway down its length. If the lever had an angular displacement of 10 radians, what force was used to turn it?
50 N
200 N
400 N
100 N
Homework Answers
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1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and...
1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and radius ofr= 30.0 cm, and a length of 0.900 m. It can be turned about the long axis axis of rotation marked by x on the picture) by applying a force to a handle located d=20.0 cm from the axis of the cylinder. The compost barrel needs to be turned through 250 complete revolutions. Assume you can apply a constant force of F =...
Q.1. For the system shown in Figure 1, the spring constant = 200 N/m. a) Write...
Q.1. For the system shown in Figure 1, the spring constant = 200 N/m. a) Write the complete Energy Equation for the solution to the problem (all terms must be included) b) If the system is initially at rest and the weight and inertia of the pulley are neglected, determine the angular velocity of A after Block B has dropped 600 mm. c) Calculate the maximum displacement of block B when it is lowered slowly. (Use Work, Power, Energy Method)....
Please show all work 1. A 30 cm spring is compressed to 2 cm. a force...
Please show all work 1. A 30 cm spring is compressed to 2 cm. a force of 200 N was used to do this. How much potential energy is stored in the spring? 2. A 5 kg mass is suspended from a spring. The spring develops 100 J of potential energy. What is the spring constant of the spring? 3. A ball is at rest on top of a 15 meter high hill. It rolls down the hill and is...
3. A square rod of 500 mm long with a width of 10 mm is subjected...
3. A square rod of 500 mm long with a width of 10 mm is subjected to a load of 40000 N., The stress-strain behavior is shown in the Figure below. Based on the information, please answer the following questions: (Note: Pa = N/㎡, J = Nm) (a) Compute the applied stress (5 points). 70 Tensile strength 450 MPa (65.000 ps) -60 400 103 ps MPa 40厂 50 300 40 Yield strength30 250 MPa (36.000 ps) 200 100 20 10...
12. A 3.0 m long and 2.0 m wide carton of mass 100 kg leans against...
12. A 3.0 m long and 2.0 m wide carton of mass 100 kg leans against a smooth wall as shown in the figure The coefficient of state friction between the floor and the lower end of the carton is 0.80. The normal for the a 240 N h TOON c. 980 N d. 80N e. None of the above A 2.0 m long, 200 N uniformladder, rests with one end against a smooth wall making an angle of 30...
Assignment 9 If you run around a half-mile track twice in 20 minutes a. What is...
Assignment 9 If you run around a half-mile track twice in 20 minutes a. What is the total distance traveled? b. What is the speed in mi/hr (show work)? c. What is the total displacement? d. What is the velocity in mi/hr? You travel east 2 miles and then turn to the north and walk another 3 miles. What is your displacement (show work, make sure to show the direction as well)? You travel 6 miles at 40 degrees. How...
Experiment 1: Bending Moment Variation at the point of Loading This experiment examines how bending moment...
Experiment 1: Bending Moment Variation at the point of Loading This experiment examines how bending moment varies at the point of loading. Figure 3 shows the force diagram for the beam. Check the Digital Force Display meter reads zero with no load. Place a hanger with a 100 g mass at the cut'. Record the Digital Force Display reading in a table as in Table 1. Repeat using masses of 200 g. 300 g. 400 and 500 g Convert the...
Hang the 100 g mass on spring 1 and enter the additional displacement of the spring...
Hang the 100 g mass on spring 1 and enter the additional
displacement of the spring
_____10______cm. Calculate the spring constant of this
spring___________ N/m.
3. Place the 250 g mass on spring 3 and change the “Softness”
setting to 1 notch to the right of the middle.
Calculate the spring constant of spring 3
:_________________N/m.
Note that the displacement of the springs with the masses attached
is the NEW equilibrium length of the spring. The restoring force of
the...
please clearly indicate answer(s) 1. As shown in the figure, using a 6-m-long, 100 mm diameter...
please clearly indicate answer(s)
1. As shown in the figure, using a 6-m-long, 100 mm diameter pipe and assuming a friction factor f-0.02, investigate the likelhood of cavitation if h-4 m and h = 3m Water temperature is 25 degrees Centigrade, 5101325 KP kinematic viscosity =156 m2/sec, flow velocity = 4 m/sec, neglect minor losses using 2. At the deign flow rate read the pump characteristics if the 6 in impeller is used (power, efficiency, head) 3. If the angular...
Two long straight wires of 2.0 m length are parallel and 10 cm apart. PLEASE ANSWER...
Two long straight wires of 2.0 m length are parallel and 10 cm
apart. PLEASE ANSWER ALL 5, 6, 7, 8 and 9!
Two long straight wires of 2.0 m length are parallel and 10 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has a magnitude of 500 T. (a) How much current is needed to produce 5 such field? (b) Determine the magnitude of the force exerted by...
1. A compost barrel can be considered as a solid cylinder of mass 50.0 kg and radius ofr= 30.0 cm, and a length of 0.900 m. It can be turned about the long axis axis of rotation marked by x on the picture) by applying a force to a handle located d=20.0 cm from the axis of the cylinder. The compost barrel needs to be turned through 250 complete revolutions. Assume you can apply a constant force of F =...
Q.1. For the system shown in Figure 1, the spring constant = 200 N/m. a) Write the complete Energy Equation for the solution to the problem (all terms must be included) b) If the system is initially at rest and the weight and inertia of the pulley are neglected, determine the angular velocity of A after Block B has dropped 600 mm. c) Calculate the maximum displacement of block B when it is lowered slowly. (Use Work, Power, Energy Method)....
3. A square rod of 500 mm long with a width of 10 mm is subjected to a load of 40000 N., The stress-strain behavior is shown in the Figure below. Based on the information, please answer the following questions: (Note: Pa = N/㎡, J = Nm) (a) Compute the applied stress (5 points). 70 Tensile strength 450 MPa (65.000 ps) -60 400 103 ps MPa 40厂 50 300 40 Yield strength30 250 MPa (36.000 ps) 200 100 20 10...
12. A 3.0 m long and 2.0 m wide carton of mass 100 kg leans against a smooth wall as shown in the figure The coefficient of state friction between the floor and the lower end of the carton is 0.80. The normal for the a 240 N h TOON c. 980 N d. 80N e. None of the above A 2.0 m long, 200 N uniformladder, rests with one end against a smooth wall making an angle of 30...
Experiment 1: Bending Moment Variation at the point of Loading This experiment examines how bending moment varies at the point of loading. Figure 3 shows the force diagram for the beam. Check the Digital Force Display meter reads zero with no load. Place a hanger with a 100 g mass at the cut'. Record the Digital Force Display reading in a table as in Table 1. Repeat using masses of 200 g. 300 g. 400 and 500 g Convert the...
Hang the 100 g mass on spring 1 and enter the additional
displacement of the spring
_____10______cm. Calculate the spring constant of this
spring___________ N/m.
3. Place the 250 g mass on spring 3 and change the “Softness”
setting to 1 notch to the right of the middle.
Calculate the spring constant of spring 3
:_________________N/m.
Note that the displacement of the springs with the masses attached
is the NEW equilibrium length of the spring. The restoring force of
the...
please clearly indicate answer(s)
1. As shown in the figure, using a 6-m-long, 100 mm diameter pipe and assuming a friction factor f-0.02, investigate the likelhood of cavitation if h-4 m and h = 3m Water temperature is 25 degrees Centigrade, 5101325 KP kinematic viscosity =156 m2/sec, flow velocity = 4 m/sec, neglect minor losses using 2. At the deign flow rate read the pump characteristics if the 6 in impeller is used (power, efficiency, head) 3. If the angular...
Two long straight wires of 2.0 m length are parallel and 10 cm
apart. PLEASE ANSWER ALL 5, 6, 7, 8 and 9!
Two long straight wires of 2.0 m length are parallel and 10 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has a magnitude of 500 T. (a) How much current is needed to produce 5 such field? (b) Determine the magnitude of the force exerted by...
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