What is the action force and the reaction force when you sit down on a chair

technician A says oil is primarily used to collect contaminants and carry them to the oil filter. Technician B says a breakdown in lubrication occurs on cold startup. Who is correct?

A negatively-charged particle is slowly moving as it enters a region that has a constant magnetic field. If the velocity of the particle is initially parallel to the magnetic field, what will be the subsequent motion of the particle?

A student coils a copper wire around a bar magnet. What action will cause the device to generate electricity?

What is the coefficient of static friction between the coin and the turntable?

If there is no gravity what will happen to earth?

A spring is used in a lab. It is vibrated at different frequencies and the wavelength is recorded. Using the graph of the data, what is the relationship found between frequency and wavelength? A) Frequency and wavelength are inversely related.

How do you describe the frequency of waves perceived by the observer from the moment the source appears to the moment it disappears?

What causes the stars to appear to move across the night sky?

Two waves collide and the temporary combined waves that results is smaller that the original wave. which term describes this interaction? A. destructive interference B. standing wave formation C. diffraction D. constructive interference

What do all types of waves on the electromagnetic spectrum have in common