A horizontal force Fa = 100 N pushes two blocks up a frictionless 30?? incline, as shown. The masses are m1 = 10.0 kg and m2 = 4.00 kg.. a) What is the acceleration of the blocks? b) What is the magnitude of the contact force between m1 and m2 ?

If the string can withdraw a force of tension that is two times that of what exerts on the mass at t = .500 s , at what time will the string break ?  Answer = .716 s

An 8.6 kg body undergoes an acceleration of 2.7 m/s2. What is the magnitude of the resultant force acting on it (in N)? If this same force is applied to a 5.2 kg body, what is the magnitude of the acceleration (in m/s2)?

A clarinetist, setting out for a performance, grabs his 3.210 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 33.06 N. Find the case's vertical acceleration. Indicate an upward acceleration as positive and a downward one as negative. Use for ?=9.810 m/s2 for the acceleration due to gravity.

A 30.3 kg boy and a 55.8 kg girl are on the surface of a frozen lake, 14.0 m apart. Using a rope, the boy exerts a horizontal 5.30 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's accelerátion. Submit Answer Tries 0/10

A 14.8 lb object has the acceleration components a. - (06) + (075) , = (107)- (043"): 0.83 What is the magnitude of the net force Fnet acting on the object at time t = 4.07 s? Fnet 36.1 What is the direction of the net force at this same time? Give the answer as a number of degrees counterclockwise from the +x-аxis.

A force F=100 N is exerted on m2 which has a mass of 10 kg.  Block 1 has a mass (m1) of 40 kg.  There is no friction between block 1 and the floor.  If the static coefficient of friction between block 1 and 2 is 0.60 and the kinetic coefficient of friction between block 1 and 2 is 0.40, determine... (use g = 9.8 N/kg)   a. The magnitude of the acceleration of block 1. b. The magnitude of the acceleration of block 2.

In a TV commercial pickup truck B of mass mB lifts large crate A of mass mA toawrd the top of a cliff by means of a cable and a frictionless pulley. The truck uses constant thrust force F to do the job and accerates forward starting from rest, There are no friction forces except the thrust force F.  a) Determine a symbolic formula for the magnitude of the acceration experienced by the crate. The final formula should not include the unknown tension force.  b) explain whether the cable tension must be greater than, equal to, or less than the crate weight.  c) for mass mA= 1500 kg, mb=2800 kg, and F=18,000N, how far will the crate rise in the first 3.5 s of motion?

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A 4.0 x 103 kg motor boat starts from a dock and begins to accelerate under a 2.0 x 104 Nforward force provided by its engines. If the boat's motion is retarded by the water with a6.5 x 103 N force of friction, what is its acceleration?