A motorcycle weighs 1440kg. The pressure the two tires exert on the road is 150N/cm^2. what is the area of the tires in contact with the road? (hint there are 2 tires)

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.