1.A force does positive work on a particle that has a displacement…
Question Answered step-by-step 1.A force does positive work on a particle that has a displacement… 1.A force does positive work on a particle that has adisplacement pointing in the + x direction. This same forcedoes negative work on a particle that has a displacementpointing in the + y direction. In which quadrant of the x, ycoordinate system does the force lie (Cutnell & Johnson,2012)?a. Firstb. Secondc. Thirdd. Fourth 2. A suitcase is hanging straight down from your hand as youride an escalator. Your hand exerts a force on the suitcase,and this force does work. This work is ___________(Cutnell & Johnson, 2012).a. positive when you ride up and negative when you ridedownb. negative when you ride up and positive when you ridedownc. positive when you ride up or downd. negative when you ride up or down 3. A person pushes a 16:0 À kg shopping cart at a constantvelocity for a distance of 22:0 m . She pushes in a direction29:0 below the horizontal. A frictional force0 48:0 À Nopposes the motion of the cart. Determine the following(Cutnell & Johnson, 2012):a. Magnitude of the force that the shopper exertsb. Work done by the pushing forcec. Work done by the frictional forced. Work done by the gravitational force Science Physics Share QuestionEmailCopy link Comments (0)
