What does Force Components mean?

When we look into the night sky we are actually looking into the past. how do you explain this?

An 8.0-newton wooden block slides across a horizontal wooden floor at constant velocity. What is the magnitude of the force of kinetic friction between the block and the floor? (1) 2.4 N (3) 8.0 N (2) 3.4 N (4) 27 N

How did the invention of movable type change society?

If the same force is applied to a tiny sports car and a huge dump truck, which one would experience greater acceleration and why?

During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.61 km/s at an initial inclination of 81.9° to the horizontal. The acceleration of gravity is 9.8 m/s^2.

Suppose that the entire Universe began to contract (collapse) right now. Five billion years from now, an astronomer looking at the spectra of galaxies. What would be the changes noted? A.

Which of the following statements about the atom is false?

Explain why models are often used to study other planets.

The main factors that affect an area's temperature are prevailing winds and mountains. a. True b. False

What is the displacement of an object during a specific unit of time?