21. (b) If the two buckets are pulled upward with an acceleration of 2.25m/s^2 by the upper cord, calculate the tension in the upper cord. * Situation 3: One 3.2-kg paint bucket is hanging by a massless cord from another 3.2-kg paint bucket, also hanging by a massless cord, as shown in the figure.
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- How do I solve this question?Find the resultant force of the following vectors using rectangular – component method: A = 10 newtons, due east B = 15 newtons, 30 degrees north of east C = 20 newtons, due north D = 10 newtons, 10 degrees south of eastA box was placed on a surface. Draw a diagram showing a real world situation in which an object is motionless on an incline. Overlay a labeled force diagram on the object. Use fk or fs if necessary for the forces.
- 2. Mass 1 = 3.5 kg brick is placed on an inclined plane which forms an angle of 25° with the horizontal. There is a string attached to the brick that passes over a pulley and connects to a Mass 2 = 1.15 kg. The coefficient of static friction between the brick and the plane is 0.25. a. What is the acceleration of the brick? b. What is the tension in the string? [33i need the answer quicklyBlocks B has a mass of 20kg and block C has a mass of 15 kg. The coefficient of static friction at the contacting surfaces is 0.2. Block A is suspended by a rope that passes over a fixed cylinder and is attached to block B. The coefficient of static friction between the rope and the cylinder is 0.25. What is the largest mass block A can have without causing block B to slip the left?
- Two blocks, each of mass m- 3.20 kg are hung from the ceiling of an elevator as in the figure below. (a) If the elevator moves with an upward acceleration a of magnitude 1.5 m/s, find the tensions T, and 7, in the upper and lower strings. N. (b) If the strings can withstand a maximum tension of 78.0 N, what maximum acceleration can the elevator have before a string breaks? m/s2The coefficient of static friction between the m = 2.55-kg crate and the 35.0° incline of the figure below is 0.250. What minimum force I must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? N m 35.0°explain with answers please!
- 20. (a) If the buckets are at rest, what is the tension in the upper cord? * Situation 3: One 3.2-kg paint bucket is hanging by a massless cord from another 3.2-kg paint bucket, also hanging by a massless cord, as shown in the figure. 62.78N 31.39N 70.78N 45.79NQuestion 5 A science class observed a ball rolling down a ramp onto the floor. As the angle of the ramp was increased, the ball rolled further before stopping. As the ball rolled down the ramp, what force(s) were acting on the ball? A inertia B gravity C inertia and gravity D gravity and frictiona. The accelerations of the boxes A F+ C ku F4 CHAPTER 5 B F 4 3/ REVIEW M man b. The tensions in the ropes connected to the single boxes to the right in B and in C 1: 1. 87