Key STEM Concepts

Force that resists motion through the rubbing of one object against another.

• Inertia

• Friction

• Energy

• Torque

________ have a greater effect than ________ ones in determining where the center of gravity is.

• Heavier, lighter

• Lighter,Heavier

• Big objects, small

• Force, inertia

_____________ is a way of measuring how fast and object is moving.

• Torque

• Power

• Speed

• Force

Torque most often....

• rotates an object

• moves an object

• lifts an object

• spins an object

Power is the ________ rate at which work is done.

• Way

• force

• rate

• speed

Where is the weight of an object evenly distributed?

• Center of gravity

• center of item

• where it is holding something heavy

• where it is holding something light

If an object has _____________ trying to cause motion, there is no friction.

• inertia

• work

• no applied force

• a person

Center gravity uses both ________ and __________.

• weight

• position

• mass

• objects

• force

What are the classical mechanics?

• Force, Mass and Center Gravity

• Friction, Force, Power

• Speed, Power, Force

• Speed, Power, Torque

Speed and Torque have _______ relationship.

• inverse

• same

• different