Physical Science U2P5

Device that does work with only one movement

• machine
• simple machine
• compound machine
• none of the above

a device that makes work easier is a machine

• true
• false

The force applied to the machine

• effort force
• resistance force
• work input
• work output

Force applied by the machine to overcome the resistance due to gravity or friction

• effort force
• resistance force
• work inout
• work output

The work done on the machine

• effort force
• resistance force
• work input
• work output

Work done by the machine

• effort force
• resistance force
• work input
• work output

Tags

NGSS.MS-PS3-5

Machine in which the Win equals the Wout and no energy is converted to heat

• real machine
• ideal machine

The number of times a machine multiplies the effort force

• work input
• work output
• mechanical advantage
• efficiency

Fixed point of a lever

• pulley
• fulcrum
• see-saw
• wedge

The part of the lever on which the effort force is applied

• effort arm
• resistance arm