Physics Fsc Part 1 Chapter 5 Online Test With Answers

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Physics Fsc Part 1 Chapter 5 Online Test

Sr. # Questions Answers Choice
1 A man of 1 kg is freefalling. The force of gravity is 1 N 9.8 N 0.5 N Zero
2 The weight of the body at the centre of earth is Maximum Minimum Zero Infinite
3 Apparent weight of a man is in upward accelerated lift will Increases Decreases Remain same Increases then decrees
4 Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f Zero 300 N 600 N 200 N
5 A man of mass 5 kg is falling freely, the fore acting on it will be 5 N 9.8 N 19.6 N 49 N
6 The value of of 'g' at the centre of the earth is Infinite 2 g 3 g zero
7 The value of a time period of allow flying satellite is 1 year 84 minutes 28 hours 1 day
8 The maximum velocity necessary to put a satellite into orbit is 7.1 kms-1 7.3 kms-1 7.9 kms-1 8,9 kms-1
9 Satellites are the objects that orbit around the Moon Sun Earth Star
10 Which is unimportant in describing the satellites orbit. Distance of satellite from earth's center Gravitational constant G Mass of satellite Mass of earth
11 Close orbiting satellites orbit the earth at a height of about 400 km 4000 km 400 m 400 cm
12 The unit of rotational K.E. is rAD/SEC Js J Kgm2
13 The relation between the speed and hoop can be written as 2 4 1/2 1/4
14 The diver spins faster when moment of inertia becomes. smaller Greater Constant Zero
15 The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is 50 kgm2 100 K gm2 150 K gm2 250 K gm2
16 Angular momentum has the same unit as Impulse x distance Power x time Linear x time work x frequency
17 In rotational motion the torque is equal to rate of change of Angular velocity Linear momentum Angular momentum Angular acceleration
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