PLZZ HELP What parts of a pulley system will cause the actual mechanical advantage to be less than the ideal mechanical
advantage?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?