A 10-kg block is connected to a 40-kg block as shown in the figure. The surface on that the blocks slide is frictionless. A force of 100N pulls the blocks to the right. What is the magnitude of the tension in the rope that connects the two blocks? 100 N 10 kg 40 kg 20 N 50 N O 40 N ON O 10 N
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- A stack of two crates is being accelerated upwards by two cables. The cables are directly attached to crate 1 and the tension in each cable is 3248 N. You may assume that the masses of the cables are negligible compared to the masses of the crates. The acceleration of the crates is? bottom crate crate 1 is 109 kg. the top crate is 248 kg.Two forces (F1=4N, F2=25N) act on a 4.5 kg block on a frictionless surface, as shown in the below figure. What is a net force along the x-axis? F2 F1 43° 5.46 N 8.39 N 22.29 N 6.93 NA 60 kg teenager is standing on a skateboard. This is on earth, so a= -g = -10m/s^2. Draw a free body diagram for the teenager only. Draw a free body diagram for the tennager and the skateboard. What force does the skateboard exert on the teenager?
- A warehouse worker applies a force F to accelerate two crates, mã and mp, to the right along a rough floor. Crate mд has a mass of 4m, crate mp has a mass of m. Choose 1 answer: A F Which is the correct relationship between the applied force F acting on mд and the force mд exerts on mB? B D MA mB The force Facting on my is smaller than the force that mA exerts on MB. The force Facting on my is the same as the force that mA exerts on MB. The force Facting on my is larger than the force that mд exerts on MB. The answer depends on the relative size of the friction force on MA and MB.A 4.0-kg object's velocity-vs-time graph is shown below. What is the net force on the object when t = 4.0 s? Vy (m/s) 8- - t (s) 10 2 4 6 8 2.0 N -32 N -2.0 N 0.50 N -0.50 N none of the given O 32 NThree boxes are pulled along a horizontal frictionless floor by a constant horizontal pull P. The boxes are connected by very light horizontal strings having tensions T1 and T2 as shown in the figure. Which of the following statements about the tensions is correct? T₂ T₁ 10 20 N N 100 N O A.T1 > T2 OB.T1 = P OC. T2 = P O D. T2 > T1 P
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