A body can have constant velocity when it follows a_____________?
A body can have constant velocity when it follows a_____________? A. Elliptical path B. Circular path C. Parabolic pathD. Rectilinear path
A body can have constant velocity when it follows a_____________? A. Elliptical path B. Circular path C. Parabolic pathD. Rectilinear path
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-1B. 5 rad. S-1 C. 1.6 rad. S-1 D. 2.8 ms-1
In case of planets the necessary acceleration is provided by______________? A. Gravitational force B. Frictional force C. Coulomb force D. Centripetal force
The span of the broad jump depends upon_______________? A. Mass of the jumper B. Height of jumpC. Angle of projection D. None
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. ZeroC. Equal to the weight of the stone D.…
When a body moves in a circle of radius r with linear speed V its centripetal force is_______________? A. mV/r2 B. mV/rC. mV2/r D. mV2/r2
Centripetal force performs_______________? A. Maximum work B. Minimum work C. Negative workD. No work
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 bodyC. The tension in the string D. Centripetal acceleration
The relation between linear and angular acceleration is______________? A. a = a x r B. a = r x aC. a = a x r D. r = a x a
The circumference subtends an angle________________? A. π radianB. 2π radian C. π/2 radian D. 4π radian