Section 2.7: Mixed Practice
This section combines multiple types of Newton's Laws problems for comprehensive practice.
Tips for Mixed Practice:
- Identify forces for each object in multi-part systems.
- Use free-body diagrams consistently.
- Apply Newton’s Second Law along the correct axes.
- Break complex problems into smaller steps.
- Check results for physical consistency.
Practice Problems
- Block on a 30° incline connected to a hanging mass. Compute acceleration and tension.
- Two blocks on a frictionless surface pulled by a single force. Find tensions and acceleration.
- Block on a 25° incline with µk = 0.1. Find acceleration down the incline.
- Three-block pulley system. Compute acceleration and all tensions.
- Block on horizontal surface with applied force and friction. Find net force and acceleration.
- Block on incline with friction connected to a hanging mass. Solve for acceleration.
- Two blocks connected over a pulley with friction. Find acceleration and rope tension.
- Block on 20° incline with friction. Find normal force, friction, and acceleration.
- Block sliding down incline with varying angles. Determine net force and acceleration.
- Multi-block system on horizontal and inclined surfaces. Find all accelerations and tensions.