A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 26.0 m down the hall. The force she exerts on the cart is directed at an angle 22.0° below the horizontal, and the force friction opposing the motion of the cart is 42.0 N. Determine the following. (a) the magnitude (in N) of the force exerted on the cart by the TA N (b) the work done (in J) by the force the TA exerts on the cart (c) the work done (in J) by the force of friction acting on the cart J (d) the work done (in J) by the force of gravity acting on the cart

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A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 26.0 m down the hall. The force she exerts on the cart is directed at an angle 22.0° below the horizontal, and the force of
friction opposing the motion of the cart is 42.0 N. Determine the following.
(a) the magnitude (in N) of the force exerted on the cart by the TA
N
(b) the work done (in J) by the force the TA exerts on the cart
J
(c) the work done (in J) by the force of friction acting on the cart
J
(d) the work done (in J) by the force of gravity acting on the cart
J
Transcribed Image Text:A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 26.0 m down the hall. The force she exerts on the cart is directed at an angle 22.0° below the horizontal, and the force of friction opposing the motion of the cart is 42.0 N. Determine the following. (a) the magnitude (in N) of the force exerted on the cart by the TA N (b) the work done (in J) by the force the TA exerts on the cart J (c) the work done (in J) by the force of friction acting on the cart J (d) the work done (in J) by the force of gravity acting on the cart J
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