What machine actually reduces the amount of force exerted because it acts over a greater distance?

a shovel

a bottle opener

a garden rake

a hammer

How do I multiply gravity with mass in finding potential energy with the equation pe=mgh

What does buoyancy depend on? A. the density of the object and the density of the fluid B. atmospheric pressure and the density of the object C. The density of the object and the force of gravity D.

An athlete runs a 100 m race in 10 seconds against a friction force of 100N. How do I work out his power output?

Convert 25,000 gram into kilogram ...

The separation of white light into colors is called

If you jump into the air, are your legs pushing you away from the earth or pushing the earth away from you?

All of the following would be useful in trying to obtain procedural information to replicate an experiment previously published except for a lab journal used in the original experiment. a published scientific journal. a dictionary.

What happens if the polar jet stream shifts to bring air from the north farther south

What do we call seismic waves that are transmitted along the outside of earth?

A wave with a speed of 437 m/s has a frequency of 28 hertz. What is the length of the wave?