the initial and final points lie on the same horizontal line .the object is thrown to the ground and falls back to the ground.
2006-11-27 02:44:17 · 5 answers · asked by satish0811 1 in Science & Mathematics ➔ Physics
its actually zero because gravitational force is a conservative force
in such a kind of force field potential energy depends on difference between (final position vector-initial position vector) dot force vector
which is actually o in this case also
word done= ---ve of (change in potential energy)
=--0 ==0
2006-11-27 03:16:38 · answer #1 · answered by digitallyneosticated 2 · 0⤊ 0⤋
The work done by gravitational force is zero because there is work only when there is displacement in the direction of force.But here there is displacement in the horizontal direction while there is accelaration in the perpendicular direction.
2006-11-27 11:04:15 · answer #2 · answered by vibs 2 · 0⤊ 0⤋
To Bring it back to the earth is work done by the gravity on that object
2006-11-27 11:02:55 · answer #3 · answered by afk 3 · 0⤊ 0⤋
zero
2006-11-27 16:18:09 · answer #4 · answered by Sandy 2 · 0⤊ 0⤋
It is zero
2006-11-27 11:02:51 · answer #5 · answered by Naveen Kumar M 2 · 0⤊ 0⤋