99) In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

50 and 75

75 and 50

75 and 75

50 and 50

Answer is:

50 and 75

Answer is:

isolated joint with only body forces acting on it

isolated joint with internal forces acting on it

isolated joint with all the forces, internal as well as external, acting on it

none of the above

Answer is:

one force only

one couple only

one force and one couple only

none of the above

Answer is:

force polygon closes

funicular polygon closes

both force polygon and funicular polygon close

all the forces are concurrent

Answer is: