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

Answer All Questions

- 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. - 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.

munu04 (32)last yearThese are really tough bro. It seems you are keen interested in Physics.

arcange (73)last yearCongratulations @thuya!

Your post was mentioned in the Steemit Hit Parade for newcomers in the following category:

I also upvoted your post to increase its reward

If you like my work to promote newcomers and give them more visibility on Steemit, consider to vote for my witness!