Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Output to the input
All of these
Distance moved by effort to the distance moved by load
Load lifted to the effort applied

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
One joule means that

Work is done by a force of 1 dyne when it displaces a body through 1 cm
Work is done by a force of 1 g when it displaces a body through 1 cm
Work is done by a force of 1 N when it displaces a body through 1 m
Work is done by a force of 1 kg when it displaces a body through 1 m

ANSWER DOWNLOAD EXAMIANS APP