A contestant in a winter games event pulls a 58.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. 25° The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving. (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?

College Physics
11th Edition
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Chapter1: Units, Trigonometry. And Vectors
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Please help with this question, it comes with a few subparts. PLEASE HELP.

A contestant in a winter games event pulls a 58.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure.

The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.

(a) Calculate the minimum force \( F \) (in N) he must exert to get the block moving.

\[ \text{________ N} \]

(b) What is its acceleration (in m/s\(^2\)) once it starts to move, if that force is maintained?

\[ \text{________ m/s}^2 \]

For a huge luxury liner to move with constant velocity, its engines need to supply a forward thrust of \( 7.05 \times 10^5 \) N. What is the magnitude of the resistive force exerted by the water (in N) on the cruise ship?

\[ \text{________ N} \]

**Diagram Explanation:**
The image features a cartoon of a person pulling a large block of ice across a flat surface. The person is exerting a force \( F \) at an angle of \( 25^\circ \) to the horizontal. The diagram illustrates the force \( F \) applied by the contestant, showing the direction of the pull.
Transcribed Image Text:A contestant in a winter games event pulls a 58.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force \( F \) (in N) he must exert to get the block moving. \[ \text{________ N} \] (b) What is its acceleration (in m/s\(^2\)) once it starts to move, if that force is maintained? \[ \text{________ m/s}^2 \] For a huge luxury liner to move with constant velocity, its engines need to supply a forward thrust of \( 7.05 \times 10^5 \) N. What is the magnitude of the resistive force exerted by the water (in N) on the cruise ship? \[ \text{________ N} \] **Diagram Explanation:** The image features a cartoon of a person pulling a large block of ice across a flat surface. The person is exerting a force \( F \) at an angle of \( 25^\circ \) to the horizontal. The diagram illustrates the force \( F \) applied by the contestant, showing the direction of the pull.
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