A father is giving a ride to his little daughter. He can push or pull her...

 

 

Transcribed Image Text:

A father is giving a ride to his little daughter. He can push or pull her sled with the same force and same angle as is depicted in the pictures. In with case he is doing more work? (b) 0 (a) 品 F Case (a) as the friction is more. O Case (b) as the friction is less. In both cases he is doing the same work. We can not say until we have the angle. A father is giving a ride to his little daughter. He can push or pull her sled with the same force and same angle as is depicted in the pictures. In with case he is doing more work? (b) 0 (a) 品 F Case (a) as the friction is more. O Case (b) as the friction is less. In both cases he is doing the same work. We can not say until we have the angle.