# myan 8

in #edulast year

G10, Physics First Semester Test Time Allowed (45)minutes

1. Fill in the blanks. (5 marks)
(1) The value of gravitational constant is ………. .m3kg-1s-2.
(2) A unit vector has the magnitude of ………. unit.
(3) Since displacement has both ………. and direction, displacement is a vector quantity.
(4) 1 N force acting horizontally on a body of mass 1 kg gives it an acceleration of ……… .
(5) The unit of work e temperature increase to 25 ℃ how much glycerine overflows? The
coefficient of volume expansion of glycerine is 5.1 x 10-4K-1 and that of heat resistance glass is
0.09 x 10-4K-1.
2. A lift weighing 200lb is pulled up by a cable of tension 5000lbl Find the mass of the lift and its upward
acceleration. Which is more difficult to move a wooden box or a big stone? Why?
5.Is if correct to describe Newton’s second law in symbols as F α a?.
A 3 ton car moving with the velocity of 30 mi h-1 is brought to stop in 2 s. Find the resisting force of the
brakes acting on the car.
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These are really tough bro. It seems you are keen interested in Physics.

Congratulations @thuya!
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