A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21 degrees with respect to the horizontal. The coefficient of kinetic friction is 0.21. d)  Find the work done (in J) by the force of friction. e)  Find the net work done on the block.

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A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21 degrees with respect to the horizontal. The coefficient of kinetic friction is 0.21.

d)  Find the work done (in J) by the force of friction.

e)  Find the net work done on the block.

This image shows a simple diagram of a block resting on a surface. The block is represented as a square sitting on a horizontal line, which indicates the surface. An arrow is drawn pointing upwards and to the right from the top right corner of the block.

### Explanation of Elements:

1. **Block**: The square in the diagram represents a block sitting on a flat surface. It is depicted in a two-dimensional view.

2. **Surface**: The horizontal line beneath the block indicates the surface on which the block is resting. It is a flat and level plane supporting the block.

3. **Arrow**: The arrow emerges from the top right corner of the block and points diagonally upwards to the right. This arrow typically indicates the direction of a force being applied to the block, such as a push or a resultant force vector.

This type of diagram is commonly used in physics to illustrate concepts like force vectors, friction, or motion. It can be further analyzed to discuss topics such as Newton's laws of motion or vector components of forces.
Transcribed Image Text:This image shows a simple diagram of a block resting on a surface. The block is represented as a square sitting on a horizontal line, which indicates the surface. An arrow is drawn pointing upwards and to the right from the top right corner of the block. ### Explanation of Elements: 1. **Block**: The square in the diagram represents a block sitting on a flat surface. It is depicted in a two-dimensional view. 2. **Surface**: The horizontal line beneath the block indicates the surface on which the block is resting. It is a flat and level plane supporting the block. 3. **Arrow**: The arrow emerges from the top right corner of the block and points diagonally upwards to the right. This arrow typically indicates the direction of a force being applied to the block, such as a push or a resultant force vector. This type of diagram is commonly used in physics to illustrate concepts like force vectors, friction, or motion. It can be further analyzed to discuss topics such as Newton's laws of motion or vector components of forces.
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