A. force and pressure
B. mass and power
C. energy and velocity
D. force and velocity
Related Mcqs:
- A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?
A. 1
B. 100
C. 1/100
D. 1/10000 - The dimensions of Gravitational Universal constant ‘G’ are______________?
A. M-‘L2r2
B. M-‘L3r2
C. M-2L3T2
D. M’L3T2 - The dimensions of power are_______________?
A. M’L2T2
B. M’L’T3
C. M’L’r2
D. M’L-‘T* - The dimensions of centrifugal force are__________________?
A. M1 L2 T2
B. M’L’T1
C. M’L’T2
D. M’L-‘T2 - If y is force and x is velocity, then dimensions of —=r are dx2__________________?
A. M’^T’
B. M’L-‘T0
C. M’L-‘T1
D. M2L’T3 - If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?
1) a force is required to move the body upwards
2) a force is required to move the body downward
3) the body will not be in equilibrium
The correct answer is?A. only (1)
B. only (2)
C. both (1) and (2)
D. both (1) and (3) - Which of the following is a scalar quantity ?
A. energy
B. momentum
C. torque
D. impulse - The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________?
A. log r
B. r
C. r2
D. 1/rwhere r is the distance of’the particle from centre of the earth
- In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively_____________________?
A. 50 and 75
B. 75 and 50
C. 75 and 75
D. 50 and 50 - The maximum displacement of a particle executing S.H.M. corresponds to__________________?
A. zero potential energy and maximum kinetic energy
B. zero kinetic energy and maximum potential energy
C. maximum kinetic energy and maxi-mum potential energy
D. minimum kinetic energy and minimum potential energy
