A motorcycle of mass 100 kilograms travels around a flat, circular track of radius 10 meters with a constant speed of 20 meters per second. What force is required to keep the motorcycle moving in a circular path at this speed?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

Which model displays the change in a gas when the temperature of the gaseous system decreases?