A. any rate
B. at variable rate
C. at uniform rate
D. at high rate
Related Mcqs:
- Instantaneous and average velocities become equal when body___________________?
A. has zero acceleration
B. has uniform acceleration
C. has variable acceleration
D. moves in a circle - When average and instantaneous velocities become equal then body possess_______?
A. Uniform Velocity
B. Variable Velocity
C. Uniform Acceleration
D. Variable AccelerationSubmitted by: Zahid Jagirani
- Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?
A. 40 W
B. 90W
C. 100W
D. 120W - When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?
A. zero
B. minimum
C. infinity
D. maximum - If a body a mass of 2 kg is raised vertically through 2m, then the work done will be _________________?
A. 38.2 J
B. 392.1 J
C. 39.2 J
D. 3.92 J - Work done by variable force is determine by dividing____________________?
A. force into small interval
B. displacement into small interval
C. both force and displacement into small intervals
D. force into small and displacement into large intervals - Work done by the force of friction is____________________?
A. always positive
B. always negative
C. positive only for small frictional force
D. positive only for large frictional force - The work done by friction is__________________?
A. positive
B. negative
C. zero
D. none of these - An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?
A. 3.5 x 10-3 J
B. 3.5 x 104 J
C. 3.5 x 106 J
D. 3.5 x 109 J - Work done on the body equals to the _____________________?
A. change in its K.E always
B. change in its P.E always
C. change in its K.E and change in its P.E
D. neither change in K.E and nor change in its P.E
