MDraw free body diagram for the following Give the pulley & spring. W3 is movable withno friction. (Pulley & Spring have nowweight.mW1K3mmmN2W3forthe forces

The weight, labeled "m" and "W" experiences a downward force due to gravity, mg.The spring exerts a…

Answered: M Draw free body diagram for the…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 1CQ: Propose a force standard different from the example of a stretched spring discussed in the text....

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A skydiver is at an altitude of 1520 m. After 10.0 seconds of free fall, he opens his parachute and finds that the air resistance, FD , is given by the formula FD=bv , where bis a constant and vis the velocity. If b=0.750 , and the mass of the skydiver is 82.0 kg, first set up differential equations for the velocity and the position, and then find: (a) the speed of the skydiver when the parachute opens, (b) the distance fallen before the parachute opens, (c) the terminal velocity after the parachute opens (find the limiting velocity), and (d) the time the skydiver is in the air after the parachute opens.
Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown below. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0m/s2to the right, what is the magnitude Fof the applied force?
In Figure 5.12, the net external force on the 24-kg mower is given as 51 N. If the force of friction opposing the motion is 24 N, what force F(in newtons) is the person exerting on the mower? Suppose the mower is moving at 1.5 m/s when the force Fis removed. How far will the mower go before stopping?
Propose a force standard different from the example of a stretched spring discussed in the text. Your standard must be capable of producing the sane force repeatedly.
Shown below is a 30.0-kg block resting on a frictionless ramp inclined at 60 to the horizontal. The block is held by a spring that is stretched 5.0 cm. What is the force constant of the spring?
Check Your Understanding Suppose that Balto in Example 2.10 leaves the game to attend to more important matter, but Astro Clifford and Dug continue playing. Astro and Clifford’s pull on the toy does not change, but Dug rims around and bites on the toy in a different place. With how big a force and in what direction must Dug pull on the toy now to balance out the combined pulls from Clifford and Astro? Illustrate this situation by drawing a vector diagram indicating all forces involved.
Ina traction setup a broken bone, with pulleys and rope available, how might we be able to Increase the force along the tibia using the weight? (See Figure 4.30) (Note that the tibia is the shin bone shown in this image.) Figure 4.30 A leg is suspended by a traction system in which wires used to transmit forces. Frictionless pulleys crw.ge the direction of the force T without changing Its magnitude.
A body of mass 100 kg is weighed at the North Pole and at the equator with a spring scale. What is the scale reading at these two points? Assume that g=9.83m/s2 at the pole.
Since it is knowwnas a = 30 andt= 10cm, reduce the system of forces in the figure to a single force ww and find the coordinates of the points where the line of action of the resultant force intersects theX and Y axes with its center at point O. wwww 30G C 160AG a) x = 9,6 cm, y= - 4,95 cm b) x=6,7 cm, y=-4,07 cm C)O x=4,62 cm, y= -6,25 cm D. d) O x 7,5 cm, y=-4,33 cm
In the following figure m = 20.0 kg and a622 The coetticient of kinetic friction betwoen the biock and the incline is a -0.40 (Eigure 1) Part A What must be the mass my of the hanging block ifit ia to descend 14.5 m in the tinst 3.00 s after the system is neleaned from rest? Express your anewer with the appropriate units. Figure t of 1 my Value Units Submit Bequest Aner Provide Feedback Next>
2 strings hold a painting at a 45 degree angle with a force of 138.594N each. Calculate the total mass of the painting.remember f=ma. Hit use Fy for each string and add them
Exi- the black of weight (u) is supported by arope that is warpped one and one halftimes around the circ ular peg. Deter mine the range Of Values of ce fer which the block remaitas at rest. the cofficient of static Friction bet ween the Tope and the peg.is o:2

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M Draw free body diagram for the following Give the pulley & spring. W3 is movable with no friction. (Pulley & Spring have no w weight. m W1 K 3 mmm N2 W3 for the forces