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Understanding Forces and Motion: Key Concepts and Applications

This review covers essential principles of forces and motion, including Newton's laws, acceleration, inertia, and the effects of friction and gravity. It illustrates key concepts such as balanced and unbalanced forces, the relationship between mass and acceleration, and the law of inertia. Additionally, the impact of action and reaction forces is explored. This guide serves as a valuable resource for students seeking to grasp the fundamentals of physics related to motion, providing multiple-choice questions for self-assessment.

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Understanding Forces and Motion: Key Concepts and Applications

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  1. Forces and Motion SOL Review

  2. John goes over the top of a hill at a speed of 4m/s while on his bicycle. Four seconds later, his speed is 24m/s. What is John's acceleration? • 20 m/s sq. • 16 m/s sq. • 6 m/s sq. • 5 m/s sq.

  3. Forces that are equal in size and opposite in direction are: • balanced forces • frictional forces • gravitational forces • net forces

  4. Newton's first law of motion states that an object stays at rest unless a ____ acts on it. • balanced force • frictional force • gravitational force • net force

  5. The rate of change of speed and/or the change in direction is called: • acceleration • average speed • gravity • velocity

  6. The relationship among mass, force, and acceleration is explained by: • conservation of momentum • Newton's first law of motion • Newton's second law of motion • Newton's third law of motion

  7. Which of the following objects has the greatest inertia? • baseball • bowling ball • pencil • table-tennis ball

  8. As you climb a mountain, you get farther from the center of the earth.  Your weight will: • decrease • increase • remain the same

  9. A person, in a head-on car collision, who is not wearing a seat belt, continues to move forward at the original speed of the car because of: • friction • inertia • gravity • weight

  10. The statement "for every action there is an equal and opposite reaction" is: • the law of conservation of momentum • Newton's first law of motion • Newton's second law of motion • Newton's third law of motion

  11. The acceleration due to gravity is: • 98 m/s sq. • 9.8 m/s sq. • 9.8 m/s • 0.98 m/s

  12. A 300N force is used to move an object 2M.  The amount of work equals: • 150 Nm • 300 Nm • 302 Nm • 600 Nm

  13. Two simple machines that are part of a bicycle are: • A wheel an axle and a screw • An inclined plane and a lever • An inclined plane and a wedge • A screw and an inclined plane

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