Unit 1 Module 1 Lesson 2 Review

Forces that are equal in size but opposite in direction are called ___________ forces.

• unbalanced

• balanced

• contact

If a net force acts on an object, the object may change speed, change ____________, or do both.

• direction

• Newtons

• mass

• velocity

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All acceleration is due to _____________________.

• friction

• mass

• forces

• vector

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___________________ forces acting on an object cause the object to accelerate.

• contact

• balanced

• unbalanced

• vector

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Which of Newton's Law of Motion helps us calculate acceleration?

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

• 4th Law of Motion

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When two forces act in the same direction on an object, the net force is found by ________________ the forces.

• dividing

• multiplying

• subtracting

• adding

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When two forces act in opposite directions on an object, the net force is found by ____________ the forces.

• dividing

• multiplying

• subtracting

• adding

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According to Newton's 2nd law of motion, a larger force acting on an object causes a greater __________________ of that object.

• motion

• acceleration

• mass

• vector

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If the applied force is less than the friction, the object will _________ and ________.

• slow,stop

• slow, keep going

• accelerate, stop

• accelerate, keep going

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Acceleration depends on which two factors?

• a. Mass and position

• b. Net force and mass

• c. Mass and velocity

• d. Position and net force

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