Engineering Mechanics MCQs

their algebraic sum is zero

their lines of action are at equal distances

the algebraic sum of their moments about any point in their plane is zero

the algebraic sum of t

is constant at every instant

varies from point to point

is maximum in the start and minimum at the end

is minimum in the star

increasing the length of the handle

increasing the radius of the load drum

increasing the number of teeth of the pinion

all of the above

does not depend

depends

justified

not justified

Linear displacement

Linear velocity

Linear acceleration

all of these

Correct

Incorrect

0.5r

0.6r

0.7r

0.8r

same as

twice

thrice

four times

mv2

mgv2

0.5 mv2

0.5 mgv2