Question #4bc3e

1 Answer
Oct 20, 2017

Answer:

see below

Explanation:

Remember,

#"Work"="Force"xx"Displacement"#

While catching the ball, the direction of the force exerted by the fielder is opposite to the displacement of the ball, just like the truck here.

https://harker-physics.wikispaces.com/Work?responseToken=b3997465db37958eaeba5b218c2b7d28
Here, the gravity (#"F"_g#) is in the downward direction while the displacement (#"d"#) is in the upward direction.