Numericals On Pulley -Multiple Choice Questions Quiz

Question 1:A 5 kg mass is suspended from a fixed pulley. What is the tension in the rope if the system is at rest? (Take g = 9.8 m/s²)

(A) 25 N
(B) 45 N
(C) 49 N
(D) 55 N

Question 2:Two masses, 6 kg and 4 kg, are connected by a light string over a frictionless pulley. What is the acceleration of the system? (Take g = 9.8 m/s²)

(A) 1.96 m/s²
(B) 2.5 m/s²
(C) 4.9 m/s²
(D) 9.8 m/s²

Question 3: A 10 kg block is lifted using a pulley with an acceleration of 2 m/s². What is the tension in the rope? (Take g = 9.8 m/s²)

Question 4:A pulley system lifts a 20 kg mass at constant velocity. What is the tension in the rope? (Take g = 9.8 m/s²)

Question 5:In a simple Atwood machine, two equal masses (m = 8 kg) are hanging over a frictionless pulley. What is the acceleration of the system? (Take g = 9.8 m/s²)

(A) 2.5 m/s²
(B) 9.8 m/s²
(C) 0 m/s²
(D) 4.9 m/s²

Question 6:A 15 kg mass is being lifted using a pulley with an upward acceleration of 3 m/s². What is the tension in the rope? (Take g = 9.8 m/s²)

Question 7:A 12 kg mass is suspended from a pulley. If the acceleration due to gravity is 9.8 m/s², what is the force exerted by gravity on the mass?

Question 8:A pulley system lifts a 50 kg object using an ideal fixed pulley. How much force is needed to lift it at constant speed? (Take g = 9.8 m/s²)

Question 9:A block of 8 kg is lifted using a frictionless pulley with an acceleration of 4 m/s². What is the tension in the rope? (Take g = 9.8 m/s²)

Question 10:A 30 kg and a 20 kg mass are connected over a frictionless pulley. What is the acceleration of the system? (Take g = 9.8 m/s²)

(A) 1.96 m/s²
(B) 3.2 m/s²
(C) 4.5 m/s²
(D) 9.8 m/s²

Results:

Total score: /10

Answer key:

Question 1: c

Question 2: a

Question 3: d

Question 4: b

Question 5: c

Question 6: a

Question 7: d

Question 8: b

Question 9: c

Question 10: a

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