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.Management Sciences
Category: Circular Motion
In an angular motion, Newton’s second law of motion is_____________?
0
A. F=ma
B. F=τp/It
C. Στ = I α
D. All above
The angular speed for daily rotation of the earth in rad S-1 is______________?
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
The critical speed of an artificial satellite is_______________?
A. 8 Kms-1
B. 8.1 Kms-1
C. 7.9 Kms-1
D. 8 ms-1
According to Einstein, the gravitational interaction is possible between_______________?
A. material objects only
B. material objects and electromagnetic radiation only
C. electromagnetic radiations
D. none of the above
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 radius of geostationary orbit from the centre of the earth is nearly______________?
A. 42000km
B. 36000km
C. 24000 km
D. 18000 km
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__________________?
A. Vibratory motion
B. Linear motion
C. Rotatory motion
D. Angular motion
Centripetal force performs_______________?
A. Maximum work
B. Minimum work
C. Negative work
D. No work
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?
A. 9.8 N
B. 19.6 N
C. 129.4 N
D. 39.2 N
When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?
A. mV/r2
B. mV/r
C. mV2/r
D. mV2/r2
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