A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting up ...

A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting up and parallel to the incline. What is the coefficient of kinetic friction between the block and the surface of the incline?
   
  a.
  0.20
   
  b.
  0.23
   
  c.
  0.26
   
  d.
  0.33
   
  e.
  0.41

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[Ques. 2] In the figure, if F = 2.0 N and M = 1.0 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
 
 
 
   
  a.
  2.6 N
   
  b.
  1.1 N
   
  c.
  2.1 N
   
  d.
  1.6 N
   
  e.
  3.7 N

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[Ques. 3] If F = 8.0 N and M = 1.0 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
 
 
 
   
  a.
  4.1 N
   
  b.
  3.5 N
   
  c.
  3.8 N
   
  d.
  3.1 N
   
  e.
  4.8 N

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[Ques. 4] If the tension, , is 15 N and the magnitude of the acceleration, a, is 3.0 m/s², what is the mass, m, of the suspended object? Assume that all surfaces and the pulley are frictionless.
 
 
 
   
  a.
  3.1 kg
   
  b.
  2.5 kg
   
  c.
  2.8 kg
   
  d.
  2.2 kg
   
  e.
  3.7 kg

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[Ques. 5] A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s². On top of the 5.0-kg mass is an object of unknown mass. The force of the elevator on the 5.0-kg mass is 80 N up. Determine the unknown mass.
   
  a.
  3.3 kg
   
  b.
  2.4 kg
   
  c.
  1.6 kg
   
  d.
  4.1 kg
   
  e.
  5.0 kg

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[Ques. 6]

If M = 2.2 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
 
   

   
  a.
  6.4 N
   
  b.
  5.9 N
   
  c.
  5.4 N
   
  d.
  6.9 N
   
  e.
  8.3 N

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[Ques. 7]

If F = 40 N and M = 2.0 kg, what is the magnitude of the acceleration of the suspended object? All surfaces are frictionless.
 
   

   
  a.
  1.2 m/s²
   
  b.
  2.0 m/s²
   
  c.
  1.5 m/s²
   
  d.
  2.5 m/s²
   
  e.
  5.6 m/s²

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[Ques. 8]

The system shown is released from rest and moves 50 cm in 1.0 s. What is the value of M? All surfaces are frictionless.
 
   

   
  a.
  0.42 kg
   
  b.
  0.34 kg
   
  c.
  0.50 kg
   
  d.
  0.59 kg
   
  e.
  0.68 kg

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[Ques. 9]

If F = 40 N and M = 1.5 kg, what is the tension in the string connecting M and 2M? Assume that all surfaces are frictionless.
 
   

   
  a.
  13 N
   
  b.
  23 N
   
  c.
  36 N
   
  d.
  15 N
   
  e.
  28 N

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[Ques. 10] 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/s² and a downward component of 2.8 m/s², 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