Circular Motion

11.  The circumference subtends an angle A. ? radianradian B. 2? radian C. ?/2 radian D. 4? radian Answer & Explanation Answer: Option B Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  12.  The relation between linear and angular acceleration is A. a = a x r B. a = r x a C. a = a x r D. r = a x a Answer & Explanation Answer: Option C Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  13.  When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by A. mass of a body B. velocity of body C. tension in the string D. centripetal acceleration Answer & Explanation Answer: Option C Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  14.  Centripetal force performs A. maximum work B. minimum work C. negative work D. no work Answer & Explanation Answer: Option D Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  15.  When a body moves in a circle of radius r with linear speed V its centripetal force is A. mV/r2 B. mV/r C. mV2/r D. mV2/r2 Answer & Explanation Answer: Option C Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  16.  A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is A. maximum B. zero C. equal to the weight of the stone D. less than the weight of the stone Answer & Explanation Answer: Option C Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer  17.  The span of broad jump depends upon A. mass of the jumper B. height of jump C. angle of projection D. none Answer & Explanation Answer: Option C Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer 18.  In case of planets the necessary acceleration is provided by A. Gravitational force B. frictional force C. coulomb force D. centripetal force Answer & Explanation Answer: Option A Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer 19.  If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is A. 4 rad. S-1 B. 5 rad. S-1 C. 1.6 rad. S-1 D. 2.8 ms-1 Answer & Explanation Answer: Option B Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer 20.  A body can have consutant velocity when it follows a A. elliptical path B. circular path C. parabolic path D. rectilinear path Answer & Explanation Answer: Option D Explanation: Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer                         1                          2                       3                        4 Read more: