Ch. 7 - Simple Machines (Physical Science)

Occurs when a force acts on an object to move it in a direction

• Kinetic Work

• Mechanical Work

• Energetic Work

• Classwork

Tags

NGSS.MS-PS3-5

a basic mechanical device that either reduces effort or increases the magnitude of motion to do a job

• Simple Machine

• Locomotion Reduction

• Mechanical Machine

• Work Device

Tags

NGSS.MS-PS2-1

A simple machine would help make work...

• Faster

• Easier

• Both

• Neither

Tags

NGSS.MS-ETS1-1

A(n) ________ is a rigid bar that rests on a pivot point.

• Pulley

• Wheel and Axle

• Inclined Plane

• Lever

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A(n) ___________ is a two dimensional surface whose opposite ends are at different heights. Examples include loading ramps.

• Pulley

• Wheel and Axle

• Inclined Plane

• Lever

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A(n) ___________  is any rotational system having unrestricted range of motion. Examples include bicycle tires

• Pulley

• Wheel and Axle

• Inclined Plane

• Lever

Tags

NGSS.MS-PS2-2

A(n) ___________  is is a wheel with a groove around its outer circumference mounted on an axle. A rope rests in the groove and moves with the pulley as it rotates. Examples include single-fixed, single-moveable, and block-and-tackle.

• Pulley

• Wheel and Axle

• Inclined Plane

• Lever

Tags

NGSS.MS-PS2-2

A(n) ___________   is a fastener that consists of a long, thin wedge wrapped around a shaft in a spiral called a screw thread. Examples include a lightbulb.

• Wedge

• Wheel and Axle

• Inclined Plane

• Screw

A(n) ___________  a 3-dimensional object that uses inclined planes to exert a force to spread a material apart as it is forced into the material. An example includes an axe or knife.

• Wedge

• Wheel and Axle

• Inclined Plane

• Screw

Tags

NGSS.MS-PS2-2

The pivot point on a lever

• Resistance

• Effort

• Fulcrum