Question

Use for #1 - #3: Two blocks rest on a horizontal frictionless surface as shown. The surface between the top & bottom blocks has static friction sufficient for there to be no slipping between the two blocks. A force, F = 60 N, is applied to the bottom block as suggested in the figure. The top block has a mass: MA = 5 kg, while the bottom block has a mass: MB = 10 kg. 1. What is the acceleration of the "two block" system? a) 1/4 m/s² b) 8 m/s² c) 3 m/s² d) 4 m/s² e) 1/2 m/s² 2. What is the force of static friction between the top & bottom blocks? a) 60 N b) 40 N c) 4 N d) 20 N e) 2 N 3. What is the minimum coefficient of static friction, µ, necessary to keep the top block from slipping on the bottom block? be) .051 ab) .102 cd) .204 ad) .306 ce) .408

          Use for #1 - #3: Two blocks rest on a horizontal frictionless surface as shown. The surface between the top & bottom blocks has static friction sufficient for there to be no slipping between the two blocks. A force, F = 60 N, is applied to the bottom block as suggested in the figure. The top block has a mass: MA = 5 kg, while the bottom block has a mass: MB = 10 kg.

1. What is the acceleration of the "two block" system?
a) 1/4 m/s²
b) 8 m/s²
c) 3 m/s²
d) 4 m/s²
e) 1/2 m/s²

2. What is the force of static friction between the top & bottom blocks?
a) 60 N
b) 40 N
c) 4 N
d) 20 N
e) 2 N

3. What is the minimum coefficient of static friction, µ, necessary to keep the top block from slipping on the bottom block?
be) .051
ab) .102
cd) .204
ad) .306
ce) .408

Use for #1 - #3: Two blocks rest on a horizontal frictionless surface as shown. The surface between the top bottom blocks has static friction sufficient for there to be no slipping between the two blocks. A force, F = 60 N, is applied to the bottom block as suggested in the figure. The top block has a mass: MA = 5 kg, while the bottom block has a mass: MB = 10 kg.

1. What is the acceleration of the "two block" system?
a) 1/4 m/s²
b) 8 m/s²
c) 3 m/s²
d) 4 m/s²
e) 1/2 m/s²

2. What is the force of static friction between the top bottom blocks?
a) 60 N
b) 40 N
c) 4 N
d) 20 N
e) 2 N

3. What is the minimum coefficient of static friction, µ, necessary to keep the top block from slipping on the bottom block?
be) .051
ab) .102
cd) .204
ad) .306
ce) .408

Added by Jose Manuel V.

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