Chapter 4 Application of Forces (Defs.)

Question 1

The motion of a falling object where the only force acting on the object is gravity.

Answer 1

Free fall

Question 2

The maximum constant speed of a falling object.

Answer 2

Terminal speed

Question 3

A region of space surrounding an object that can exert a force on other objects that are placed within that region and are able to interact with that force.

Answer 3

Force field

Question 4

The force per unit mass acting on an object when placed in a gravitational field.

Answer 4

Gravitational field strength

Question 5

A force of friction that prevents the sliding of two surfaces relative to one another.

Answer 5

Static friction

Question 6

The force exerted on a moving object by a surface opposite to the direction of motion of the object.

Answer 6

Kinetic friction

Question 7

The ratio of the force of friction to the normal force.

Answer 7

Coefficient of friction (μ)

Question 8

The ratio of the maximum force of static friction to the normal force.

Answer 8

Coefficient of static friction

Question 9

The ratio of kinetic friction to the normal force.

Answer 9

Coefficient of kinetic friction