A 100-N Block,on a 30 $\degree$ Incline,is Being Held Motionless by Friction

question 91

Multiple Choice

A 100-N block,on a 30 $\degree$ incline,is being held motionless by friction.The coefficient of static friction between the block and the plane is 0.60.The force due to friction is:

• A)0 N.
• B)30 N.
• C)50 N.
• D)52 N.