What simple machines would move or turn an object?

Question 3 options:

wheel and axle

lever

screw

wedge

4. A see-saw is an example of what type of lever?

Question 4 options:

First Class

Second Class

Third Class

Fourth Class

Does anyone taste the difference between left and right twix?

What wires allow electrons to flow the easiest?

Assume that all four H-R diagrams below represent a star in different stages of its life, after it starts to fuse hydrogen in its core. Rank the HR diagrams based on when each stage occurs, from first to last.

Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 3600 km.

Research indicates that high serotonin levels may increase aggression. True Or False

What is a magnetic field and how does it interact with magnetic materials?

What is significant about holden sitting on the radiator?

Which of the following occurs in meiosis that does not occur in mitosis 1 fertilization occur 2 body cells are made 3 sex cells are made 4 cell division occurs

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying