# A shopper pushes a grocery cart 22.0 m at constant speed on level ground, against a 31.0 N frictional force. He pushes in a direction 26.00 below the horizontal.(a) What is the work (in J) done on the cart by friction?J(b) What is the work (in J) done on the cart by the gravitational force?J(c) What is the work (in J) done on the cart by the shopper?JFind the force the shopper exerts (in N), using energy considerations. (Enter the magnitude.)(d)NWhat is the total work (in J) done on the cart?(e)J

Question help_outlineImage TranscriptioncloseA shopper pushes a grocery cart 22.0 m at constant speed on level ground, against a 31.0 N frictional force. He pushes in a direction 26.00 below the horizontal. (a) What is the work (in J) done on the cart by friction? J (b) What is the work (in J) done on the cart by the gravitational force? J (c) What is the work (in J) done on the cart by the shopper? J Find the force the shopper exerts (in N), using energy considerations. (Enter the magnitude.) (d) N What is the total work (in J) done on the cart? (e) J fullscreen
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Step 1

a)

the work done by the fricional force is

Step 2

substitute the given information in the above equation to calculate W

Step 3

b)the  work done on the cart by the gravitational force is zero since the direcion of the displacemnt...

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