A solid object floats in water with three-fourths of its volume beneath the surface. What is the object's density? The density of water is 1000 kg/m3.
A) 1333 kg/m3
B) 1000 kg/m3
C) 750 kg/m3
D) 250 kg/m3
Question 2
A man in a gym is holding an 8.0-kg weight at arm's length, a distance of 0.55 m from his shoulder joint. What is the torque about his shoulder joint due to the weight if his arm is horizontal?
A) 0.24 N m
B) 4.4 N m
C) 43 N m
D) 15 N m
E) 0 N m
