Ch5Btest_Newton'sLawsofMotion

# Ch5Btest_Newton'sLawsofMotion - Application of Newtons Laws...

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Application of Newton’s Laws of Motion 1 1. The horizontal surface on which the objects slide is frictionless. If M = 2.0 kg, the tension in string 1 is 12 N. Determine F . a. 25 N b. 20 N c. 30 N d. 35 N e. 40 N 2. The horizontal surface on which the objects slide is frictionless. If F = 12 N, what is the tension in string 1? a. 35 N b. 30 N c. 40 N d. 45 N e. 25 N 3. The surface of the inclined plane shown is frictionless. If F = 30 N, what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block? a. 18 N b. 27 N c. 24 N d. 21 N e. 15 N 4. If P = 6.0 N, what is the magnitude of the force exerted on block 1 by block 2? a. 6.4 N b. 5.6 N c. 4.8 N d. 7.2 N e. 8.4 N 5. If F = 5.0 N, what is the magnitude of the force exerted by block 2 on block 1? a. 17 N b. 19 N c. 21 N d. 23 N e. 5.0 N 6. An astronaut who weighs 800 N on the surface of the earth lifts off from planet Zuton in a space ship. The free-fall acceleration on Zuton is 3.0 m/s 2 (down). At the moment of liftoff the acceleration of the space ship is 0.50 m/s 2 (up). What is the magnitude of the force of the space ship on the astronaut? a. 41 N b. 0.29 kN c. 0.24 kN d. 0.20 kN e. 0.37 kN 7. The horizontal surface on which the objects slide is frictionless. If M = 1.0 kg and the magnitude of the force of the small block on the large block is 5.2 N, determine F . a. 6.0 N b. 9.0 N c. 7.8 N d. 4.8 N e. 4.1 N 8. The horizontal surface on which the objects slide is frictionless. If F = 6.0 N and M = 1.0 kg, what is the magnitude of the force exerted on the large block by the small block? a. 7.7 N b. 9.8 N c. 9.1 N d. 8.4 N e. 6.5 N 9. The horizontal surface on which the objects slide is frictionless. If F = 4.0 N and M = 1.0 kg, what is the magnitude of the force of the connecting string on the smaller block? a. 4.1 N b. 5.9 N c. 5.0 N d. 6.6 N e. 7.2 N 10. A 6.0-kg object is suspended by a vertical string from the ceiling of an elevator which is accelerating upward at a rate of 1.8 m/s 2 . Determine the tension in the string. a. 11 N b. 70 N c. 48 N d. 59 N e. 62 N 11. An 8.0-kg object rests on the floor of an elevator which is accelerating downward at a rate of 1.3 m/s 2 . What is the magnitude of the force the object exerts on the floor of the elevator? a. 59 N b. 10 N c. 89 N d. 68 N e. 78 N 12. A 70-kg stunt artist rides in a rocket sled which slides along a flat inclined surface. At an instant when the sled's acceleration has a horizontal component of 6.0 m/s 2 and a downward component of 2.8m/s 2 , what is the magnitude of the force on the rider by the sled? a. 0.83 kN b. 0.98 kN c. 0.65 kN d.0.68 kN e. 0.72 kN 13. If F = 40 N and M = 1.5 kg, what is the tension in the connecting string shown? Assume that all surfaces are frictionless. a.

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Ch5Btest_Newton'sLawsofMotion - Application of Newtons Laws...

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