below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of fric 60.0 N. (a) Draw a free-body diagram for the cart.
below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of fric 60.0 N. (a) Draw a free-body diagram for the cart.
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Transcribed Image Text:1. A person pushes a cart by pushing on the handle with a force at a downward angle 35.0°
below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is
60.0 N.
(a) Draw a free-body diagram for the cart.
(b) Write complete Newton's 2nd Law statements for the x and y equations of motion of the
cart,in terms of the specific forces appearing in the free body diagram
(c) Solve for the magnitude of force that the person must exert to keep the cart moving at
a constant velocity?
Expert Solution

Step 1
The forces that act on the cart are
1. The frictional force
2. The two components of force when the cart is push at angle , so it is .
3. The normal force that act perpendicular to the cart's surface, N.
(a) The free body diagram for the cart
In the figure, f is the frictional force, N is the normal force, W is the weight of the cart.
The force F has two components
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