The rigidity of a rotating gyroscope can be increased by:

Physics Quiz

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Physics
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Professional Development
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Hard

M S
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18 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
increasing the diameter whilst reducing the rotational speed
reducing the friction within the gyroscope
increasing the rotational speed or mass or both
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The clamping force holding a block of weight 20 N onto a surface inclined at 30 degrees to the horizontal is:
20 Cos 30 N
20 Tan 30 N
20 Sin 30 N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object of mass 8 Kg is moving and has a momentum of 56 Kg m/s. Its velocity is:
440 m/s
14 m/s
7 m/s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A mass of 20 Kg is moved at a constant speed over a horizontal surface with a coefficient of friction of 0.3 between the mass and the surface. Assuming "g" is 10 m/s^2 , the frictional force will be:
60 N
6 N
150 N
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cylinder of total volume 800 cc floats in a liquid with half it's volume submerged If the same cylinder floats in water such that 600 cc of it's volume is submerged, what is the relative density of the first liquid?
1.5
0.75
0.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a cube of wood of side length 1m floats with half its volume submerged in water in water which has a density of 1000 kg/m3 then the mass of the wooden block is:
1000 kg
500 kg
250 kg
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Specific Gravity of a fuel is 0.9, 4 litres of fuel would weigh:
3.6 Kg
36 Kg
4.4 Kg
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