Circular Motion (12th) Mock Test (Physics) MHT CET 2021
Test Instructions:
- This Mock test contains 15 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.
- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.
- Each question awards you 2 point.
- You can end the test any time by clicking “Finish quiz”.
- The mock test will automatically be submitted when the time is up.
- You can review all questions once again and evaluate your mistakes by clicking “view questions” when the result is displayed.
- You can apply for Leaderboard when the result is displayed.
- You can re-attempt the exam as per your wish, yet scores of the first attempt will be recorded!
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Question 1 of 15
1. Question
A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is
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Question 2 of 15
2. Question
A body of mass 10 kg, is moving with a velocity of 5 m/s in a circle of radius 5 m, what is the centripetal acceleration of the body?
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Question 3 of 15
3. Question
A ball is being rotated in a circle of radius 5 m with a constant tangential velocity of 20 m/s. A stone is also being rotated in a circle of radius 4 m with a constant tangential velocity of 16 m/s. Which one of the following choices is true about both the circular motions?
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Question 4 of 15
4. Question
The centrifugal force always acts _____
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Question 5 of 15
5. Question
A body of weight 20 N, mass 2 kg is moving in vertical circular motion with the help of a string of radius 1 m and with a velocity of 2 m/s. What is the tension in the string at the lowest point?
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Question 6 of 15
6. Question
At which position in vertical circular motion is the tension in the string minimum?
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Question 7 of 15
7. Question
The K.E. (K) of a particle moving along a circle of radius r depends upon the distance covered (s) as K = as2. The centripetal force acting on the particle is given by
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Question 8 of 15
8. Question
The maximum safe speed of a vehicle on a circular tract is 15 km/hr. When the track becomes wet, the maximum safe speed is 10 km/hr. The ratio of coefficient of friction of the dry track to that of Wet track is
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Question 9 of 15
9. Question
The radius of a curved path on a national highway is R. The width of a road is b. The outer edge of the road is raised by ‘h’ w.r.t. the inner edge, so that a car with a velocity V can safely pass over it. What is the value of h?
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Question 10 of 15
10. Question
What is the apparent weight of a body of mass m attached at the end of a string and which is just completing the loop in a vertical circle, at the lowest point in its path?
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Question 11 of 15
11. Question
When particle revolves with uniform speed on a circular path
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Question 12 of 15
12. Question
What will be the maximum speed of a car on a road turn of radius 30 m, if the coefficient of friction between the tyres and the road is 0.4 (Take g = 9.8 m/s2
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Question 13 of 15
13. Question
A man whirls a stone of mass 250 gram, tied at the end of a string of length 2 m in a horizontal circle and at a height of 5 m from the ground. The string breaks and the stone flies off tangenitially and strikes the ground at a horizontal distance of 10 m from the man. What was the magnitude of the centripetal acceleration of the stone, when it was moving in the circle? (g = 10 m/s2)
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Question 14 of 15
14. Question
A mass suspended on a frictional less horizontal surface. It is attached to a string and rotates about a fixed centre at an angular velocity w0. If length of the string and angular velocity are doubled the tension in the string which was initially T0 is now
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Question 15 of 15
15. Question
A motor cyclist moving with a velocity of 75 km/hr on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 m. If the g is 10 m/s2 the maximum angle of banking with vertical for no skidding is
