Physics Middle School

( please just tell me the formula to use to solve it ) A hockey puck has a coefficient of kinetic friction of μk = .10. If the puck feels a normal force (FN) of 5 N, what is the frictional force that acts on the puck?

Answers

Answer 1

The frictional force that acts on the puck is 0.5 N.

The given parameters;

coefficient of kinetic friction, μk = 0.1normal force of the puck, Fₙ = 5 N

The frictional force that acts on the puck is determined by taking the product of the normal force and the coefficient of kinetic friction.

The frictional force that acts on the puck is calculated as follows;

[tex]F_k = \mu_k F_n[/tex]

Substitute the given parameters in the above equation and solve the frictional force.

[tex]F_k = 0.1 \times 5\\\\F_k = 0.5 \ N[/tex]

Thus, the frictional force that acts on the puck is 0.5 N.

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