Ball Pinball

What is the weight of a typical pinball ball?

I'm doing a project on the physics of pinball, and I can't find the weight of a pinball ball anywhere. Any other help on this project would be appreciated on this also.

80 grams

Vintage 1940s Pinball Game POOSH M UP 5 in1 game Big 5 10 steel balls    US $59.99

8 BALL DELUXE Horseshoe Pinball Machine Drop Target Set    US $28.00

Vintage 1981 CADACO INC SKEEBALL PIN BALL PACHINKO BALLS Working Scoring toy    US $15.00

8 Eight Ball Deluxe Pinball Machine    US $810.00

1977 Bally Eight Ball 4 Player Pinball Machine Original Score Card    US $3.00

1971 Gottlieb Dimension Add A Ball Wedgehead Pinball Machine Original Schematic    US $9.99

1965 Gottlieb Bank A Ball Animated Wedgehead Pinball Reproduction Backglass    US $250.00

Vintage Atomic Arcade Pin Ball Portable Game Tomy 7054 Works    US $49.99

Eight Ball Pinball Manual Original    US $18.95

Soccer Ball Pinball Shooter Rod    US $24.99

8 lbs Original Vintage Silver Pachinko Pinball Balls Japanese Characters x 650    US $19.99

PIT BOSS model 2442 81a 232 pin ball machine    US $200.00

BALLY PINBALL MACHINE LAMP DRIVER BOARD AS 2518 23 EIGHT BALL DELUXE    US $9.99

The Amazing Spider man D Gottlieb Co USA 1980 Pin Ball instruction Manual    US $9.99

Superman Atari Warner USA 1978 Pin Ball instruction Maintenance Service Manual    US $9.99

DATA EAST MAVERICK NOS ORIGINAL PINBALL MACHINE SPECIAL BALL SHOOTER ASSEMBLY    US $34.99

Twilight Zone Pinball Machine Gum Ball Machine Original    US $250.00

Skee Ball Base Hits Alley Bowler Great Skeeball Action Arcade Video Pinball    US $950.00

6 NEW 1 1 16 Pinball Machine Steel Balls Replacement    US $15.95

EIGHT BALL DELUXE PINBALL MACHINE NEW PLAYFIELD PLASTIC SET    US $78.77

ALVIN G PINBALL MACHINE AG SOCCER BALL CABINET DECAL SET NOS    US $9.99

2 BALLY GOLD BALL PINBALL AUXILLARY DRIVER BAORDS CHECK OUT PICTURES    US $59.00

GOLD BALL GOLDBALL PINBALL PLAYFIELD W APRONPARTS CHECK IT OUT AND MAKE OFFER    US $123.00

Bally Midway Bugs Bunnys Birthday Ball Pinball 1990 Original flyer    US $9.95

NEW 1 1 16 Pinball Machine Steel Ball Replacement    US $2.45

Ballys Eight Ball Deluxe Pinball    US $2,100.00

Eight 8 Ball Deluxe Operations Service Repair Manual Arcade Pinball Game Bally    US $19.95

3 NEW 1 1 16 Pinball Machine Steel Balls Replacement    US $10.75

NEW PINBALL UNIVERSAL BALL SHOOTER ASSEMBLY WITH ROD PINBALL REPLACEMENT PART    US $21.95

VINTAGE ATOMIC ARCADE PIN BALL MACHINE    US $7.99

ALVIN G PINBALL MACHINE AG SOCCER BALL COMPLETE HEADER MARQUEE LIGHT ASSEMBLY    US $9.99

NEW Pinball Machine Mirror Finish 1 1 16 Steel Ball Replacement Pinballs    US $4.65

UltraPin Ultra Pin Ball Video Dedicated Arcade Pinball Machine Virtual Reality    US $9,995.00

HARLEY DAVIDSON PINBALL STERN INC BALL GUIDE REPLACEMENT UPGRADE KIT    US $14.99

4 NEW 1 1 16 Pinball Machine Steel Balls Replacement    US $12.95

Nintendo Super Mario 64 Mini Pinball Electronic Game Arcade Toad Bowser Pin Ball    US $29.99

BALLY Eight Ball Original Pinball Brochure Flyer    US $4.95

8 BALL DELUXE Auxillary Pinball Machine Drop Target Set    US $20.00

3 Steel 1 1 16th Pinball Balls    US $10.74

5 White Premium Rubber Pinball Machine Ball Plunger Shooter Tips FREE SHIPPING    US $3.95

BALLY BUGS BUNNY BIRTHDAY BALL ORIG NOS PINBALL MACHINE PLASTIC PROMO KEYCHAIN    US $9.75

Williams Indiana Jones Pinball Ball trough used    US $25.00

★ 1981 Bally Eight Ball Deluxe pinball rubber ring kit    US $14.99

Pinball Machine Replacement Steel Ball NEW 1 1 16    US $2.84

New Pinball Machine Replacement Ball Steel 1 1 16    US $2.48

NEW PINBALL BALL SHOOTER ROD WITH BLACK KNOB PINBALL REPLACEMENT PART    US $6.95

NEW Pinball Machine Ball Plunger Repair Kit    US $9.95

ball shooter for a bally bingo pinball    US $14.99

50 volt ball lift motor for a bally bingo pinball machine    US $34.99

NEW Pinball Machine Ball Plunger Repair Kit Ball Shooter    US $9.95

ball lift mechanism for a bally bingo pinball    US $17.50

25 pinball rollunder free ball brackets Gottlieb Bally    US $4.99

Used Gottlieb pinball backglass Lightning Ball    US $.99

200 new Pinballs 1 1 16 Carbon Balls    US $150.00

EIGHT BALL DELUXE PINBALL MACHINE POP BUMPER CAPS FOUR    US $9.99

EIGHT BALL DELUXE Pinball Machine Drop Target Set 1    US $28.00

2 NEW 1 1 16 Pinball Machine Steel Balls Replacement    US $7.95

Bally AS 2518 51 Pinball Sound Board BMX Frontier Future Spa Gold Ball Mystic    US $124.95

QUANTITY of 6 NEW 1 1 16 Pinball Machine Steel Balls    US $15.95

SKATEBALL SKATE BALL Pinball Machine Drop Target Set    US $44.00

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