Options:
- A. Low
- B. High
- C. Constant
- D. Changes continuously
View Answer
A. Low
Physics
The angular speed for daily rotation of the earth in rad S-1 is______________?
Options:
- A. 7.3 x 10 radians/second
- B. 7.3 x 5 radians/second
- C. 3.7 x 10 7.3 x 5 radians/second
- D. 7.3 x 10-5 radians/second
View Answer
D. 7.3 x 10-5 radians/second
If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?
Options:
- A. 0
- B. 89N
- C. 9.8 N
- D. 10N
View Answer
A. 0
When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?
Options:
- A. 2?
- B. ?/2
- C. ?
- D. 20?
View Answer
B. ?/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) ?
Options:
- A. 365 days
- B. 730 days
- C. 329 days
- D. 129 days
View Answer
D. 129 days
A cyclist cycling around a circular racing track skids because_____________?
Options:
- A. the centripetal force upon him is less than limiting friction
- B. the centripetal force upon him is greater than limiting friction
- C. the centripetal force upon him is equal to the limiting friction
- D. the friction between the tyres of the cycle and road vanishes
View Answer
B. the centripetal force upon him is greater than limiting friction
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__________________?
Options:
- A. Vibratory motion
- B. Linear motion
- C. Rotatory motion
- D. Angular motion
View Answer
D. Angular motion
If a wheel of radius r turns through an angle of 30
Options:
- A. ? /3 x r
- B. ?/6 x r
- C. V/30 x r
- D. ? / 180 x r
View Answer
B. ?/6 x r
Coefficient of viscosity of honey is greater than______________?
Options:
- A. Milk
- B. Water
- C. Charcoal
- D. Water
View Answer
D. Water
In an angular motion, Newton
Options:
- A. F=ma
- B. F=?p/It
- C. ?? = I ?
- D. All above
View Answer
C. ?? = I ?