If the motor draws in the cable at a rate of v = 0.05t^2, where t...
In the figure below, a motor winds in the cable with a constant acceleration, such that the 10-kg crate moves a distance s = 3 min 3 seconds, starting from rest. (vo = 0). The coefficient of kinetic friction between the crate and the plane is Mk = 0.3. M A 30° Determine the tension T developed in the cable.
Part A If the force exerted on cable AB by the motor is F = ( 110 +3/2) N, where t is in seconds, determine the 45-kg crate's velocity when t = 6 s. The coefficients of static and kinetic friction between the crate and the ground are us = 0.38 and jk = 0.30, respectively. Initially the crate is at rest. (Figure 1) Express your answer to three significant figures and include the appropriate units. ? m V= 62.1...
2. The crate has a mass of 100 kg and rests on the surface for which the coefficient of kinetic friction is 0.25 and the coefficient of static friction is 0.35. If the motor supplies an increasing cable force until the crate moves, and maintains this force magnitude afterwards. Determine (a) the initial acceleration of the crate, (d) the power output developed by the motor when t 2 seconds. The motor has an efficiency of 0.85.
The motor winds the cable with a constant acceleration, such that the 30 kg crate moves a distance s8.5 m in 2.1s, starting from rest. c. Determine the tensionevelod in the cable. The coefficient of kinetic friction between the crate and the plane Mg = 0.25. 30°
2. A 300 kg crate is pulled starting from rest by a motor and a pulley and string. The motor is pulling with a force 3T, where, T = 120t2 + 3. kinetic friction of coefficient, pk = 0.4; static coefficient of friction H = 0.3. Determine the speed of the crate after 6 s. (10 pts) 3T
Problem 13.45 3 of 10 Part A If the force exerted on cable AB by the motor is F: ( 120 t3/2) N, where t is in seconds, determine the 55-kg crates velocity when 6 s The coefficients of static and kinetic friction between the crate and the ground are ?8 044 and ?,-0.33, respectively. Initially the crate is at rest. Figure 1) Express your answer to three significant figures and include the appropriate units. U:134.98 Submit X Incorrect; Try...
Greezy works in a factory because he does not make enough money from The Charming Beggars. He is pushing a very large crate of 50 kg across the floor at a constant velocity with a force of 200 N. He is pushing on the crate upwards at an angle of 20 degree. See diagram. (a) What is the coefficient of kinetic friction between the ground and the crate? (b) Greezy increases his force to 400 N. What is the acceleration...
need a nice and clear answer thank you
KINEMATICS AND KINETICS OF A PARTICLE Problem 1 (15 Pts.) The 2.3 Mg (Mega grams) mine car is being pulled by the winch M mounted on the car. If the winch exerts a force of F (367t2) Newton on the cable, where t is in seconds, determine the power output of the winch when t - 12 s, starting from rest. The crate, which has a mass of 232 kg, is subjected...
A Review Part A If the motor exerts a constant force of 300 N on the cable, determine the speed of the 30-kg crate when it travels s = 10 m up the plane, starting from rest. The coefficient of kinetic friction between the crate and the plane is uk = 0.3 (Figure 1) Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 п μΑ ? M m V= 39 s = 10...
If the motor exerts a force of F=(600+2S2) N on the cable, determine the speed of the 100-kg crate when it rises to s= 15m. The crate is initially at rest on the ground.