KickASSRoller
New member
...so, wether the work is positive? Discuss weather any work is being done by each of the following agents, and if so, whether the work is positive or negative.
a) a chicken scratching the ground
b) a person reading a sign
c) a crane lifting a bucket of concrete
d) the force of gravity on the bucket in (c)
a) a chicken scratching the ground
b) a person reading a sign
c) a crane lifting a bucket of concrete
d) the force of gravity on the bucket in (c)