forces, : A cart is pulled a distance D on a horizontal surface while it is acted on by five forces, as shown in the diagram. Normal forces of magnitudes N1 and N2 are directed upwards at the rear and front wheels, respectively. Rolling frictional forces of magnitudes fi and f2 are opposite in direction to the displacement and act on the rear and front wheels, respectively. The weight of the cart, with magnitude W, is directed downward. Finally, a pulling force of magnitude P makes and angle of o with horizontal. The direction of the displacement is to the right in the diagram. W N -) What is the total amount of work, in joules, done by the normal forces and the weight? W = 78 9 HOMI sin() tan() cos() asin() acotan() cotan() acos() EA 4 5. 6. atan() sinh) 3. cosh() IND tanh() Degrees O Radians cotanh() CLIAR Submit Hint Feedhack Feedback: 0% deduction per feedback. Hints: 1 for a 0% deduction. Hints remaining: 0 -The work done by a constant force is given by W= FAr cose, where Fis the magnitude of the force, Ar is the magnitude of the displacement, and 0 is the angle between the force and the displacement. ) Write an expression for the total work done by the forces of rolling friction and the pulling force. Write your a symbols introduced in the problem statement. All content 2021 Expert TA, LLC +

forces, : A cart is pulled a distance D on a horizontal surface while it is acted on by five forces, as shown in the diagram. Normal forces of magnitudes N1 and N2 are directed upwards at the rear and front wheels, respectively. Rolling frictional forces of magnitudes fi and f2 are opposite in direction to the displacement and act on the rear and front wheels, respectively. The weight of the cart, with magnitude W, is directed downward. Finally, a pulling force of magnitude P makes and angle of o with horizontal. The direction of the displacement is to the right in the diagram. W N -) What is the total amount of work, in joules, done by the normal forces and the weight? W = 78 9 HOMI sin() tan() cos() asin() acotan() cotan() acos() EA 4 5. 6. atan() sinh) 3. cosh() IND tanh() Degrees O Radians cotanh() CLIAR Submit Hint Feedhack Feedback: 0% deduction per feedback. Hints: 1 for a 0% deduction. Hints remaining: 0 -The work done by a constant force is given by W= FAr cose, where Fis the magnitude of the force, Ar is the magnitude of the displacement, and 0 is the angle between the force and the displacement. ) Write an expression for the total work done by the forces of rolling friction and the pulling force. Write your a symbols introduced in the problem statement. All content 2021 Expert TA, LLC +