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A uniform force F = 25 N is applied over the surface of a fluid contained...
A uniform force F= 42 N is applied over the surface of a fluid contained in...
A uniform force F= 42 N is applied over the surface of a fluid contained in a cylinder of radius R=1.1 cm. What is the increase in pressure?
In figure below, a constant horizontal force of magnitude 12 N is applied to a uniform...
In figure below, a constant horizontal force of magnitude 12 N is applied to a uniform solid cylinder by fishing line wrapped around the cylinder. The mass of the cylinder is 10 kg, its radius is 0.10 m, and the cylinder rolls smoothly on the horizontal surface. (a) What is the magnitude of the acceleration of the center of mass of the cylinder? (b) What is the magnitude of the angular acceleration of the cylinder about the center of mass?...
2. Two forces F-25 N and F-10 N are applied to the rim of a solid...
2. Two forces F-25 N and F-10 N are applied to the rim of a solid cylinder of radius R -0.2 m. The cylinder starts to rotate from rest, and reaches angular speed of 500 rpm in 5 seconds. (a) Find the magnitude of net torque created by forces F, and F2; (b) Find the magnitude of angular acceleration of the cylinder; (c) Find the mass of the cylinder.
5) Which force produces the greatest pressure G A 750 N force applied over a 2...
5) Which force produces the greatest pressure G A 750 N force applied over a 2 cm area at the heel just after heel-strike3750 b) A 400 N force applied over a 25 cm area during mid-stance c) A 700 N force applied over a 3 cm area at toe-off a 3333 333a, A 500 N force applied over a 1.5 ㎝ area immediately after heel-strike 6) Which of the following statements about impulse-Momentum is incorrect? a) it involves the...
3) A uniform dis force F applied tangentially to the edge of the wheel acts to...
3) A uniform dis force F applied tangentially to the edge of the wheel acts to slow it down, through what angle does the wheel turn coming to a stop? k with mass M and radius R is turning at angular speed o. rolling without slipping. If a
3.54 A fluid of constant density p flows steadily over a cylinder that is located far...
3.54 A fluid of constant density p flows steadily over a cylinder that is located far from any solid boundary, as shown in Figure P3.54. Upstream, the flow has a uniform velocity U, and downstream the velocity distribution in the wake is triangular with a maximum value of U1, as shown below. The pressure is atmospheric everywhere. For the control volume shown, the r-component of the velocity is uniform on every surface of the control volume and equal to U...
1. Consider a hydraulic system with two pistons. Piston 1 applies a force F, over area...
1. Consider a hydraulic system with two pistons. Piston 1 applies a force F, over area A, and piston 2 applies a force F over area Ay. If you double the force applied by piston 1 and reduce the area of piston 2 by a factor of 3, what is the new force in terms of the original force F? 2. A piston that is part of a hydraulic system has a surface area of 0.025 square meters. The hydraulic...
need help with all three questions 120 3. How is the force applied with hanging weights...
need help with all three questions
120 3. How is the force applied with hanging weights related to the magnitude of For 4. If a 0.50-kg object is executing uniform circular motion with a frequency of 50 Hz ona circle with a radius of 2.0 m, what speed (km/s). centripetal acceleration (km/s), and centripetal force (N) are associated with this object? 5. If a space station is built in the shape of a cylinder with a radius of 120 meters...
Question 2 1 pts In the figure below, what magnitude of (constant) force F applied horizontally...
Question 2 1 pts In the figure below, what magnitude of (constant) force F applied horizontally (in N) at the axle of the wheel is necessary to raise the wheel over a step obstacle of height h= 3.00 cm? The wheel's radius is r = 9.00 cm, and its mass is m = 2.50 kg. (Hint: Use geometry to find the right triangle that will help in solving this problem.) h O 18.4 O 38.3 21.9 O24.5 O 69.3 O...
An incompressible fluid flows past an impermeable flat plate with a uniform inlet profile (U0 )...
An incompressible fluid flows past an impermeable flat plate
with a uniform inlet profile (U0 ) and a cubic
polynomial exit profile:
where
Compute the volumetric flow rate (Q=?
cm3/s) across the top surface of the
control volume.
Consider the width of the solid plate (into paper) to be b=10
cm.
U0= 15 cm/s
Air at 20°C and 1 atm flows in
a 25-cm-diameter duct at V1=20 m/s. The exit is choked
by a 90° cone.
Estimate the force of...
2. Two forces F-25 N and F-10 N are applied to the rim of a solid cylinder of radius R -0.2 m. The cylinder starts to rotate from rest, and reaches angular speed of 500 rpm in 5 seconds. (a) Find the magnitude of net torque created by forces F, and F2; (b) Find the magnitude of angular acceleration of the cylinder; (c) Find the mass of the cylinder.
5) Which force produces the greatest pressure G A 750 N force applied over a 2 cm area at the heel just after heel-strike3750 b) A 400 N force applied over a 25 cm area during mid-stance c) A 700 N force applied over a 3 cm area at toe-off a 3333 333a, A 500 N force applied over a 1.5 ㎝ area immediately after heel-strike 6) Which of the following statements about impulse-Momentum is incorrect? a) it involves the...
3) A uniform dis force F applied tangentially to the edge of the wheel acts to slow it down, through what angle does the wheel turn coming to a stop? k with mass M and radius R is turning at angular speed o. rolling without slipping. If a
3.54 A fluid of constant density p flows steadily over a cylinder that is located far from any solid boundary, as shown in Figure P3.54. Upstream, the flow has a uniform velocity U, and downstream the velocity distribution in the wake is triangular with a maximum value of U1, as shown below. The pressure is atmospheric everywhere. For the control volume shown, the r-component of the velocity is uniform on every surface of the control volume and equal to U...
1. Consider a hydraulic system with two pistons. Piston 1 applies a force F, over area A, and piston 2 applies a force F over area Ay. If you double the force applied by piston 1 and reduce the area of piston 2 by a factor of 3, what is the new force in terms of the original force F? 2. A piston that is part of a hydraulic system has a surface area of 0.025 square meters. The hydraulic...
need help with all three questions
120 3. How is the force applied with hanging weights related to the magnitude of For 4. If a 0.50-kg object is executing uniform circular motion with a frequency of 50 Hz ona circle with a radius of 2.0 m, what speed (km/s). centripetal acceleration (km/s), and centripetal force (N) are associated with this object? 5. If a space station is built in the shape of a cylinder with a radius of 120 meters...
Question 2 1 pts In the figure below, what magnitude of (constant) force F applied horizontally (in N) at the axle of the wheel is necessary to raise the wheel over a step obstacle of height h= 3.00 cm? The wheel's radius is r = 9.00 cm, and its mass is m = 2.50 kg. (Hint: Use geometry to find the right triangle that will help in solving this problem.) h O 18.4 O 38.3 21.9 O24.5 O 69.3 O...
An incompressible fluid flows past an impermeable flat plate
with a uniform inlet profile (U0 ) and a cubic
polynomial exit profile:
where
Compute the volumetric flow rate (Q=?
cm3/s) across the top surface of the
control volume.
Consider the width of the solid plate (into paper) to be b=10
cm.
U0= 15 cm/s
Air at 20°C and 1 atm flows in
a 25-cm-diameter duct at V1=20 m/s. The exit is choked
by a 90° cone.
Estimate the force of...
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