A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 16.0 m down the hall. The force she exerts on the cart is directed at an angle 29.0° below the horizontal, and the force of friction opposing the motion of the cart is 56.0 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 (d) the work done (in J) by the force of gravity acting on the cart

A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 16.0 m down the hall. The force she exerts on the cart is directed at an angle 29.0° below the horizontal, and the force of friction opposing the motion of the cart is 56.0 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 (d) the work done (in J) by the force of gravity acting on the cart

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Description: A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 16.0 m down the hall. The force she exertson the cart is directed at an angle 29.0° below the horizontal, and the force of friction opposing the motion of the cart

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 8OQ: If the net work done by external forces on a particle is zero, which of the following statements...

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Question

A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 16.0 m down the hall. The force she exerts
on the cart is directed at an angle 29.0° below the horizontal, and the force of friction opposing the motion of the cart is 56.0 N.
Determine the following.
(a) the magnitude (in N) of the force exerted on the cart by the TA
(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
(d) the work done (in J) by the force of gravity acting on the cart

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