Centripetal force performs:
A. Maximum work
B. Minimum work
C. Negative work
D. No work
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
The circumference subtends an angle:
A. π radian
B. 2π radian
C. π/2 radian
D. 4π radian
The period of a circular motion is given by:
A. T = πv
B. T = πw
C. T = 2πr
D. T = 2πr/v
One radian is equal to:
A. 67.3°
B. 57.3°
C. 87.3°
D. 60°
A body can have constant velocity when it follows a:
A. Elliptical path
B. Circular path
C. Parabolic path
D. Rectilinear path
The span of the broad jump depends upon:
A. Mass of the jumper
B. Height of jump
C. Angle of projection
D. None
In case of planets the necessary acceleration is provided by:
A. Gravitational force
B. Frictional force
C. Coulomb force
D. Centripetal force
The planet nearest to the earth is:
A. Venus
B. Mercury
C. Uranus
D. Sun
A satellite moving around the earth constitutes:
A. An inertial frame of reference
B. Non-inertial frame
C. Neither inertial nor non-inertial
D. Both inertial and non-inertial
