Which of the following is not one of Newton's fundamental laws?

You and your friend are pushing on a box with a force parallel to the ground of 40 N. The box weighs 5 kg, and the coefficient of kinetic friction between the box and the ground is 0.75. What is the net force on the box in the horizontal direction?

During a mission to the Moon, astronauts were traveling towards the moon at , however, for most of the flight to and from the Moon, they were not slammed into their seats, and could move freely about the aircraft, why is that?

Which answer choice below includes only scalar quantities?

A person who weighs 700 N is standing on a scale that is on the floor of an elevator lift. If the elevator accelerates downward at , what will the scale read?

Three forces act on an object that is in equilibrium and suspended in air. is pulling on the object from the positive horizontal axis. is pulling on the object from the negative horizontal axis. is acting on the object straight down on the negative vertical axis. What is the magnitude of ?

What units make up a Newton?

Two toy cars are moving on a frictionless track. Car 1 is moving at when it collides into Car 2, which was at rest. After the collision, Car 2 moves at and Car 1 moves at . If Car 1 weighs 0.05 kg, how much does Car 2 weigh?

Consider a cube with a mass of and sides of . Calculate the pressure, , on the floor from such a cube.

A cowboy is lassoing a cow at the rodeo. Identify the force that is causing the object to travel in a circular path.