"Force Diagram of Friction, Balanced and Unbalanced Forces" Motion and Force PPT

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"Force Diagram of Friction, Balanced and Unbalanced Forces" Motion and Force PPT

►Type 1 Schematic diagram of friction force

1. In Figure 2-ZT-1, the object makes a uniform linear motion to the right under the action of a pulling force F that is horizontal to the right and has a magnitude of 2 N. Use the force diagram to draw the sliding friction force f on the object.

2. As shown in Figure 2-ZT-2, object A is stationary on an inclined plane. Please draw a schematic diagram of the friction force on object A.

3． As shown in Figure 2-ZT-3, an object rushes up a fixed slope with a rough surface at a certain speed. Please draw a schematic diagram of the friction force experienced by the object during its upward sliding process.

4. As shown in Figure 2-ZT-4, object A is in a stationary state, and object B accelerates to the right under the action of pulling force F. Please draw a schematic diagram of the friction force f and support force N on object A (the action points of the force are marked in the diagram).

►Type 2 Schematic diagram of balancing force

5. As shown in Figure 2-ZT-5, a small ball is stationary on the horizontal ground. Please draw a schematic diagram of the gravity and supporting force on the small ball.

6． As shown in Figure 2-ZT-6, draw a schematic diagram of the force on the stationary weight.

7. As shown in Figure 2-ZT-7, under the action of a horizontal leftward pulling force of 4 N, the wooden block makes a uniform linear motion to the left on the horizontal table. Please draw a schematic diagram of the force on the wooden block in the horizontal direction.

8. As shown in Figure 2-ZT-8, the elevator in the shopping mall moves upward at a constant speed. Draw a schematic diagram of the force on a person standing on the elevator who is stationary relative to the elevator.

9. As shown in Figure 2-ZT-9, a person stands in a car and moves in a straight line at a constant speed with the car on the horizontal ground. Draw a schematic diagram of the force on the person.

10. Please draw a schematic diagram of the force exerted on the ball in Figure 2-ZT-10.

11． As shown in Figure 2-ZT-11, Xiao Ming uses a force along the incline to push the large box into the carriage. Please draw a schematic diagram of the force on the box when it moves upward at a constant speed along the incline. (Point O is the center of gravity of the box)

►Type 3 Schematic diagram of unbalanced force

12. As shown in Figure 2-ZT-12, the object moves upward along a fixed incline with rough surface at initial velocity v. Please draw a schematic diagram of the force exerted on the object while it moves upward along the incline.

13. As shown in Figure 2-ZT-13, one end of a long rope is fixed on the ceiling, and the other end is tied with a small ball to make a pendulum. When the ball swings to the position shown in the picture, draw a schematic diagram of the gravity on the ball and the pulling force of the string on the ball.

14. As shown in Figure 2-ZT-14, a small ball is released from rest at point A on the arc-shaped groove. The ball rolls along the arc-shaped groove to the highest point at the other end, which is point C. Try to make a roll from point A to point C. During the point process, the schematic diagram of the force exerted on the ball at point B (i.e., the tangent point between the bottom of the arc-shaped groove and the horizontal plane) (ignoring air resistance).

15． A small ball with a weight of G is released from rest at a certain point in the air. The small ball falls on a light spring placed vertically. After the spring is compressed to the lowest point, it is bounced up. In Figure 2-ZT-15, draw a schematic diagram of the force on the ball when it is at the lowest point.

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Update Time: 2024-09-08

This template belongs to Physics courseware People's Education Edition Physics for Grade 8, Volume 2 industry PPT template

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