Unit 1: Forces

Is applied when one object touches another.

(Muscle, mechanical, or friction)

• Contact Force

• Gravitational Force

• Tension Force

• Magnetic Force

having meaning only when compared to something else

• Relative

• Absolute

• Independent

• Singular

A contact force generated by a machine

(screwdriver, bulldozer, crane)

• Mechanical Force

• Frictional Force

• Gravitational Force

• Magnetic Force

A contact force that is felt between two surfaces and always acts to slow things down.

• Frictional Force

• Gravitational Force

• Magnetic Force

• Centripetal Force

Energy that is stored or not in motion; increases with height above ground level.

• Kinetic Energy

• Thermal Energy

• Potential Energy

• Chemical Energy

(Invisible force)

Is applied to an object without touching it.

(Magnetic, electrostatic, gravity)

• Non-Contact Force

• Contact Force

• Frictional Force

• Tension Force

Natural force that acts on objects when they are at rest.

• Dynamic Friction

• Kinetic Friction

• Static Friction

• Rolling Friction

energy an object has because it is in motion

• Potential Energy

• Kinetic Energy

• Thermal Energy

• Chemical Energy

a measure of force;

consists of mass (kg) × acceleration (m/s²)

• Newton

• Joule

• Pascal

• Watt

The change in speed or direction of an object.

• Velocity

• Acceleration

• Momentum

• Force