# physics - so important

posted by .

In which of these cases is a youngster doing work in the school gymnasium?

climbing up a rope

lifting a set of weights from the floor to overhead

PLEASE HELP ME? i NEED TO KNOW THiS FOR A TEST TOMORROW iN PHYSiCS & i CANT SEEM TO FiND THE ANSWER ANYWHERE & i HAVE SO MANY OTHERS TO WORRY ABOUT.. CAN SOME1 PLEASEEEEEEEEEEE HELP? IT WOULD BE GREATLY APPRECIATED :) THANKS TO EVERY1

You know work is exercting some force for some distance IN the direction of the force. Isnt both of those exerting a force against gravity?

• physics - so important -

because

## Similar Questions

1. ### physics

In which of these cases is a youngster doing work in the school gymnasium?
2. ### Physics

Sally applies a horizontal force of 500 N with a rope to dtag a wooden crate across a floor with a constant speed. The rope tied to the crate is pulled at an angle of 67.5 degrees. a) How much force is exerted by the rope on the crate?
3. ### Physics

A rope is used o pull a metal box 15.0m across the floor. The rope is held at an angle of 46.0 degrees with the floor and a force of 628N is used. How much work does the force of the rope do?
4. ### math

Sealing a Gym Floor A gymnasium floor has an area of 2400 square yards. Each gallon of floor sealant covers an area of 350 square feet. How many gallons of sealant are needed to cover the gymnasium floor?
5. ### physics

A rope is used to pull a 2.54 kg block at constant speed 4.48 m along a horizontal floor. The force on the block from the rope is 5.87 N and directed 29.8° above the horizontal. What are (a) the work done by the rope's force, (b) …
6. ### physics

my answer for these are 1. a 2.c 3 d but not sure so please anyone see if i am correct 1. In which of the following cases is work done on the object?
7. ### Physics

A rope is used to pull a 5.19 kg block at constant speed 3.38 m along a horizontal floor. The force on the block from the rope is 3.23 N and directed 20.0° above the horizontal. What are (a) the work done by the rope's force, (b) …
8. ### Physics

A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope?
9. ### Physics

A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope?
10. ### Physics

You take a 10 N block and lift it 1 meter vertically from the floor and then place it back down on the floor. How much work do you do during this motion?

More Similar Questions