A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coefficient of static friction between the block and the plane is μs; and the coefficient of kinetic friction is μk.

-What is the magnitude of the static frictional force acting on the block?
A)mg sin $\theta$
B)mg cos $\theta$
C)mg(1 - sin $\theta$)
D)mg(1 - cos $\theta$)
E)mg

Question

A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coefficient of static friction between the block and the plane is μs; and the coefficient of kinetic friction is μk.

-What is the magnitude of the static frictional force acting on the block?
A)mg sin $\theta$ 
B)mg cos $\theta$ 
C)mg(1 - sin $\theta$) 
D)mg(1 - cos $\theta$) 
E)mg

Quizplus · Accepted Answer

The Answer of A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coefficient of static friction between the block and the plane is μs; and the coefficient of kinetic friction is μk.

-What is the magnitude of the static frictional force acting on the block?
A)mg sin $\theta$ 
B)mg cos $\theta$ 
C)mg(1 - sin $\theta$) 
D)mg(1 - cos $\theta$) 
E)mg

A Block Is at Rest on a Rough Inclined Plane θ\thetaθ

A Block Is at Rest on a Rough Inclined Plane $\theta$