Here you can find solved numerical problems on Rotatory and Circular Motion included in the new course of Physics, Grade 11.
| S.No | Description of the Question |
|---|---|
| Problem 1 | If the plate microwave oven has a radius of 0.15 m and rotates at 6.0 rev/min, calculate the total distance traveled by the fly during a 2.0 minutes cooking period. See Solution |
| Problem 2 | A circular drum of radius 40 cm is initially rotating at 400 rev/min. It is brought to stop after making 50 revolutions. What is the angular acceleration and the stopping time? See Solution |
| Problem 3 | A string 1 m long is used to whirl a 100 grams stone in a horizontal circle at a speed of 2 m/s. Find the tension in the string. See Solution |
| Problem 4 | The moon revolves around the earth in almost a circle of radius 382400 Km in 27.3 days. What is the centripetal acceleration? See Solution |
| Problem 5 | A modern F1 car can accelerate from 0 to 62 miles/h (100 km/h) in 2.50 s. What is the angular acceleration of its 170 mm radius wheel? See Solution |
| Problem 6 | An electric motor is running at 1800 rev/min. It comes to rest in 20 s. If the angular acceleration is uniform find the number of revolutions made before stopping. See Solution |
| Problem 7 | What is the moment of inertia of a 100 kg sphere whose radius is 50 cm. See Solution |
| Problem 8 | A rope is wrapped several times a cylinder of radius 0.2 m and mass 30 kg. What is the angular acceleration of the cylinder if the tension in the rope is 40 N and it turns without friction? See Solution |
| Problem 9 | What is the K.E of a 5 kg solid ball whose diameter is 15 cm if it rolls across a level surface with a speed of 2 m/s? See Solution |
| Problem 10 | A cylinder of 50 cm diameter at the top of an incline 29.4 cm high and 10 m long is released and rolls down the incline. Find the linear and angular speed at the bottom. Neglect friction. See Solution |
| Problem 11 | A disc without slipping rolls down a hill of vertical height 1000 cm. If the disc starts from rest at the top of the hill, what is its magnitude of velocity at the bottom? See Solution |
| Problem 12 | A motor car is traveling at a speed of 30 m/s. If its wheel has a diameter of 1.5 m, find its angular speed in rad/s and rev/s. See Solution |
Pingback:numerical-problem-5-rotational-and-circular-motion-physics-11 – msa
Pingback:Numerical problem on converting linear acceleration to angular acceleration – msa
Pingback:numerical-problem-1-rotatory-and-circular-motion-physics-11 – msa
Pingback:MCQs on Rotatory and Circular Motion, Physics 11 – msa
Pingback:To calculate angular speed of the wheel of a car – msa
Pingback:numerical-problem on finding the velocity of a rolling disc – msa
Pingback:Numerical Problem on finding linear and angular speed of a rolling cylinder, Physics 11 – msa
Pingback:K.E of a rotating ball, Physics 11 – msa
Pingback:Numerical problem on finding angular acceleration – msa
Pingback:numerical-problem-6-rotational-and-circular-motion-physics-11 – msa
Pingback:Calculate centripetal acceleration of the moon – msa
Pingback:Numerical Problem 2, Rotatory and Circular Motion, Physics 11 – msa
Pingback:Numerical Problem 1, Rotatory and Circular Motion, Physics 11 – msa
Pingback:Physics 11 (New Course) – msa