U2 Videos FP 4.1.8

What does Newton's Second Law of Motion state?

• The sum of forces equals mass times acceleration.

• Force equals mass divided by acceleration.

• Acceleration equals force plus mass.

• Mass equals force times acceleration.

What does the uppercase Greek letter Sigma (Σ) represent in physics equations?

• Difference

• Product

• Summation

• Division

Which of the following forces are acting on the book resting on a horizontal table when a horizontal force is applied and there is friction?

• Applied force, friction, and normal force only.

• Applied force, friction, and force of gravity only.

• Applied force, friction, force of gravity, and normal force.

• Applied force and force of gravity only.

What is the approximate magnitude of the force of gravity acting on a 1627 g book? (Use g = 9.81 m/s²)

• 1.63 N

• 15.9 N

• 16.0 N

• 1627 N

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