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Q.1: If a body of mass 10 kg is allowed to fall freely, its weight becomes——-?
- 9.8 N
Q.2: How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?
- 365 days
- 730 days
- 329 days
- 129 days
Q.3: When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is———?
- Vibratory motion
- Linear motion
- Rotatory motion
- Angular motion
Q.4: Coefficient of viscosity of honey is greater than——-?
Q.5: The dimensions of the coefficient of viscosity are——-?
Q.6: Terminal velocity is——-?
- Uniform and maximum
- Neither uniform nor maximum
Q.7: When the body moves with terminal velocity the acceleration in the body become——-?
Q.8: Terminal velocity is given by equation——–?
- Vt = gr2ρ
- Vt = 2gr2/9ρ
- Vt = gr2/9ρ
- Vt = 9gr2/2ρ
Q.9: Terminal velocity of the body is directly proportional to the——–?
- The radius of the body
- The diameter of the body
- Size of the body
- Square of the diameter of the body
Q.10: The flow of ideal fluid is always——–?
- Straight line