The force F, acting in a constant direction on the 22-kg block, has a magnitude that varies with the position s of the block. When s = 0 the block is moving to the right at v = 6 m/s. The coefficient of kinetic friction between the block and surface is μk= 0.3. Determine how far the block must slide before its velocity becomes 15 m/sm/s. Express your answer to three significant figures and include the appropriate units

The coefficient of kinetic friction between the60-kg crate and the ground is u =0.3. The crate starts from rest, and P = 225 N .(Figure 1) Part A Determine the velocity of the crate when t = 4 s Express your answer to three significant figures and include the appropriate units. μΑ ? v = Value Units Submit Request Answer Part B Determine the distance the crate travels when 4 s Express your answer to three significant figures and include the appropriate units. ? S = Value Units Figure Submit Request Answer Provide Feedback 30°

Q14. As shown in the image below, the 20-kg box is pulled up the inclined plane with a constant velocity of 4.7 m/s. If the coefficient of kinetic friction between the box and the inclined plane is µ = 0.1, determine the power of force F. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point, and proper SI unit. Take g = 9.81 m/s². F Your Answer: Answer 30° units

The 20-g bullet is travelling at 400 m/s when it becomes embedded in the 2-kg stationary block. The coefficient of kinetic friction between the block and the plane is μk = 0.32. Determine the distance the block will slide before it stops. Express your answer to three significant figures and include the appropriate units.

The force Pis applied to the 52-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P = 184 N, and (c) P = 245 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are ug = 0.20 and µ = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. 52 kg 21° H, = 0.20 H = 0.16 13 Answers: (a) F= i N (b) F = i N (c) F= i N (d) P= i N

The crate, which has a mass of 120 kg, is subjected to the action of the two forces.  If it is originally at rest, determine the distance it slides in order to attain a speed of 9 m/s. The coefficient of kinetic friction between the crate and the surface is μk = 0.2. Express your answer to three significant figures and include the appropriate units.

If the force exerted on cable AB by the motor is F = ( 110 t 3/2 ) N, where tt is in seconds, determine the 55-kg crate's velocity when ttt = 5 s . The coefficients of static and kinetic friction between the crate and the ground are μs = 0.37 and μk = 0.29, respectively. Initially the crate is at rest. (Figure 1)

F 15° 0.6 m 1 m The crate has a mass of 58 kg and rests on the inclined platform of the truck. Determine the minimum acceleration that will cause the crate to tip over or slide relative to the forklift. What is the magnitude of this acceleration? The coefficient of static friction between the packaging and the truck is µs= 0.7.

The 673-N force is applied to the 119-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H₂ = 0.70 Hk = 0.54 Answer: F= i 22° P = 673 N N