Question
A shopper pushes a grocery cart 23.0 m at constant speed on level ground, against a 33.0 N frictional force. He pushes in a direction
A shopper pushes a grocery cart 23.0 m at constant speed on level ground, against a 33.0 N frictional force. He pushes in a direction 29.0 below the horizontal.
(a)What is the work (in J) done on the cart by friction?
(b)What is the work (in J) done on the cart by the gravitational force?
(c)What is the work (in J) done on the cart by the shopper?
(d)Find the force the shopper exerts (in N), using energy considerations. (Enter the magnitude.)
(e)What is the total work (in J) done on the cart?
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Physics
Authors: David Young, Shane Stadler
10th edition
1118486897, 978-1118836873, 1118836871, 978-1118899205, 1118899202, 978-1118486894
