8.1 – Investigating Force, Mass and Acceleration Relationships (Leaving Cert Physics): Quizzes

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8.1 – Investigating Force, Mass and Acceleration Relationships
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What is the mathematical expression for Newton's second law of motion?

F=maF = ma

In Part A, what relationship is being investigated when mass is constant?

Acceleration ∝\propto force

In Part A, what happens to acceleration if you double the force acting on an object?

Acceleration also doubles

What provides the accelerating force in Part A of the experiment?

Hanging mass in scale pan

What should the graph of acceleration vs force show in Part A?

Straight line through origin

In Part B, what relationship is demonstrated when force is constant?

a∝1ma \propto \frac{1}{m}

In Part B, what is kept constant while mass is varied?

The accelerating force

What should be plotted on the axes in Part B to get a straight line?

Acceleration vs 1mass\frac{1}{mass}

What does a straight line through the origin on the graphs prove?

True proportionality

What safety precaution should be taken during this experiment?

Cushion at end of runway

How can friction effects be compensated for in this experiment?

Raise one end of runway slightly

What do both parts of the experiment together verify?

Newton's second law F=maF = ma

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