Two packing crates of masses m₁ = 10.0 kg and m₂ = 7.10 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 7.10-kg crate lies on a smooth incline of angle 41.0°. Find the following. m₂ m₂ i (a) the acceleration of the 7.10-kg crate 4.123 X m/s2 (up the incline) (b) the tension in the string N

At t = 0, a cart of mass m = 5 kg starts rolling down an incline, making an angle α = 20o with the horizontal. Initially the cart rolls down with no friction, but after traveling a distance of ∆ = 10 m it encounters a rough surface, where the coefficient of friction is k = 0.45. Find the acceleration of the cart along the incline (positive direction is downhill) after it encounters the rough surface.   A.9.8 m/s2  B.9.2 m/s2  C.7.7 m/s2  D.3.6 m/s2  E.3.4 m/s2  F.-0.8 m/s2

Two masses m1=4 Kg and m2=10 Kg are connected with string and pulled with a force F=22 N that makes an angle of 53° with a smooth horizontal surface as shown in the figure. Find the tension in the string in a unit of Newton. F m2 A. None В. 1.891 С. 5.35 D. 3.783 E. 7.565

QHQBP A(n) 11 kg mass is on an incline, with a = 4.7_m and b = 2.3_m. The coefficient of kinetic friction between the mass and the surface of the incline is k = 0.38. If the mass is initially near the top of the incline and sliding down, then what is the mass's acceleration down the incline? m b 16. 0.9627_m/s² 1.041_m/s² 1.103 m/s² A. B. C. 1-1 a D. E. F. 1.137 m/s² 1.01 m/s² 1.073_m/s²

THE MASSES Ma and Mb SLIDE ON THE SMOOTH INCLINED PLANES (WITHOUT FRICTION). DETERMINE  A FORMULA FOR THE ACCELERATION OF THE SYSTEM IN TERMS OF mA,mB θA, θB AND g. B) IF θA= 32, θB=23 AND mA= 5.0kg, what value of MBwill keep the system at rest? What would be the tension in the string in this case (neglect mass)?

P1-12 Consider a 72 kg high-jumper. Calculate the magnitude of the force, in newtons, the jumper must exert on the ground to produce an upward acceleration 4.00 times the acceleration due to gravity.

A block is placed on a inclined plane. The acceleration of gravity is 9.8 m/s2. 19° F 5 kg H=0.11 24° What force is required to push the block up the incline with constant velocity? Answer in units of N.

A block of mass 50.0 kg slides at uniform speed down a plane inclined at 12.0° to the horizontal. What is the coefficient of friction between the surfaces in contact? What force parallel to the plane is required to move the block at uniform speed up the plane?

If a mass of 3.46 kg object is attached to a string. If the force of tension in the string is 50.2 N j, what is the magnitude of the object's acceleration?

Two forces, F = 2.50 i N and F2 = (1.20 i – 2.30 j) N , act on a 3.00 kg object. Find the magnitude of acceleration of the object. a = 4.0V m/s?