A man pulls a 100-N crate up a frictionless 30 slope 5 m high as shown. Assuming that the crate moves at constant speed, the work done by the man is: 
A) -500 J
B) -250 J
C) 0 J
D) 250 J
E) 500 J
Correct Answer:
Verified
Q4: An object moves in a circle at
Q17: A crate is initially at rest on
Q19: Which of the following is the correct
Q20: A sledge (including load)weighs 5000 N.It is
Q22: An 8-N block slides down an incline.It
Q25: A man pushes an 80-N crate a
Q29: An 80-N crate slides with constant speed
Q33: A 1-kg block is lifted vertically 1
Q34: A 100-kg piano rolls down a 20°
Q35: At time t = 0 a particle
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents