3. The horizontal surface on which the objects slide is frictionless. If Fℓ=34 N and Fr=20 N, what is the magnitude of t

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3 The Horizontal Surface On Which The Objects Slide Is Frictionless If Fl 34 N And Fr 20 N What Is The Magnitude Of T 1 (25.7 KiB) Viewed 34 times

3. The horizontal surface on which the objects slide is frictionless. If Fℓ=34 N and Fr=20 N, what is the magnitude of the force exerted on the block with mass 7 kg by the block with mass 5 kg ? A. 5 N B. 25 N C. 14 N D. 20 N E. 34 N 4. A 4.0 kg ball is at the end of a massless string and travels on a frictionless surface in a circle of radius 5.0 m with constant speed of 9.0 m/s. What is the tension in the string? A. 180 N B. 9 N C. 65 N D. 16.2 N E. 1.4 N