5. Suppose hat a particular muchine in a facfoal has two 'steel pieces that must (ub against each other 'at a constunt Speed. Before either plece of steel has bcen treated to reduce friction,the force recessary to get them to perform properly is 5i8 N. Afler the Dieces have been trea- ted with oil, what 'will be the required

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Chapter4: Dynamics: Force And Newton's Laws Of Motion
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Please answer #5, thanks!!! Don’t draw a FBD, not needed
5. Suppose hat a particular machine in a
factoal has two 'steel pieces that must
rub against each other 'at
Speed. Before either plece of steel has
been treated to reduce friction, the force
recessary to get them to perform proper!y
1s 5i8 N. Afler the Dieces have been'trea-
ted with oil, whaH 'wlll be the required
force?
a constant
6./Mlichciel is playng curds with his friends,
and it is his turñ do deal A card has
a mass of 2.3 g, and it slicos 35 cm along o
Ahe table befoce H stops, 1f the coefficient
oP Kinefic friction between the card and
the table 1s 0.24, wha was the init-
lal speed of the curd as it left
mich ael's hand? (praw FBAS
7/A h25-kg
with a force Of 710N. 1F the CORFF
IC1ent of friction is. ó120, 'calculate the
lacce leration of ine clate. cocaw FBD)
Crate 1s pushed horizontully
Transcribed Image Text:5. Suppose hat a particular machine in a factoal has two 'steel pieces that must rub against each other 'at Speed. Before either plece of steel has been treated to reduce friction, the force recessary to get them to perform proper!y 1s 5i8 N. Afler the Dieces have been'trea- ted with oil, whaH 'wlll be the required force? a constant 6./Mlichciel is playng curds with his friends, and it is his turñ do deal A card has a mass of 2.3 g, and it slicos 35 cm along o Ahe table befoce H stops, 1f the coefficient oP Kinefic friction between the card and the table 1s 0.24, wha was the init- lal speed of the curd as it left mich ael's hand? (praw FBAS 7/A h25-kg with a force Of 710N. 1F the CORFF IC1ent of friction is. ó120, 'calculate the lacce leration of ine clate. cocaw FBD) Crate 1s pushed horizontully
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