Lesson F - Key Concepts

_______________ is the force that resists motion when one object rubs against another.

• Weight

• Friction

• Torque

• Position

______ is the place in a system or body where the weight is evenly distributed and all sides are in balance.

• Power

• Torque

• Mechanical Advantage

• Center of Gravity

Center of Gravity uses both ___________ and ____________.

• speed and power

• weight and position

• torque and watts

• friction and inverse

___________ is a measure of how fast an object is moving.

• Speed

• Power

• Torque

• Watts

___________ is a force directed in a circle, most often rotating an object.

• Torque

• Power

• Watts

• Friction

_________ is the rate at which work is done.

• Feet per second

• Power

• Watts

• Inch-Pound

Speed is measured in Miles per Hour or _____________.

• Feet per second

• Inches per second

• Feet per minute

• Inches per minute

Torque is measured in units of force x distance, such as __________ or Newton-meters.

• Watts

• Inch-pound

• Feet per second

• Power

Power is most commonly measured in __________.

• Feet per second

• Newton-meter

• Weight

• Watts

In classical mechanics, speed and torque have an ______________ relationship.

• Inverse

• Center of Gravity

• Mechanical Advantage

• Speed