A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the net work done on the block is 247 J. What angle does the rope make with the horizontal?
A)28°
B)41°
C)47°
D)62°
E)88°

Question

A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the net work done on the block is 247 J. What angle does the rope make with the horizontal? 
A)28° 
B)41° 
C)47° 
D)62° 
E)88°

Quizplus · Accepted Answer

The Answer of A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the net work done on the block is 247 J. What angle does the rope make with the horizontal? 
A)28° 
B)41° 
C)47° 
D)62° 
E)88°

A Concrete Block Is Pulled 7