Multiple Choice
An 80-N uniform plank leans against a frictionless wall as shown. The torque (about point P) applied to the plank by the wall is: 
A) 40 N.m
B) 60 N.m
C) 120 N.m
D) 160 N.m
E) 240 N.m
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q8: For an object in equilibrium the sum
Q9: To shear a cube-shaped object, forces of
Q27: A cube with 2.0-cm sides is made
Q28: If you sit on an ordinary 4-legged
Q30: A window washer attempts to lean a
Q38: A cube with edges exactly 2 cm
Q42: The bulk modulus is a proportionality constant
Q43: A force of 5000 N is applied
Q49: The pull P is just sufficient to
Q50: A 5.1-kg mass is located at the