In which of the following situations is the normal force greater than the weight of the object? Your

a truck towing a car so that only the back tires are running along the road

pushing down on a lawnmower in front of you to mow the lawn

a box resting on a ramp

a picture frame hung up by two wires

What is the radius of the circular path ofa charged particle in a magnetic field?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water