Forces and Motion Quiz (Lesson 010)

What is the net force on an object that is at rest and in equilibrium?

• Zero

• Greater than zero

• Less than zero

• Cannot be determined

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Which law states that an object at rest stays at rest unless acted upon by a net force?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Law of Conservation of Energy

What property of an object determines its inertia?

• Mass

• Volume

• Speed

• Color

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If a car and a bike are both at rest, which has more inertia?

• The car

• The bike

• Both have the same inertia

• Cannot be determined

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What is the acceleration of an object if the net force acting on it is zero?

• Zero

• Positive

• Negative

• Cannot be determined

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Which of the following best describes an object experiencing a non-zero net force?

• It is accelerating

• It is at rest

• It is in equilibrium

• It has zero inertia

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Before a skydiver opens their parachute, what forces are acting on them?

• Gravity and air resistance

• Gravity and friction

• Air resistance and tension

• Friction and tension

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If a constant force is applied to an object, what happens to its acceleration?

• It remains constant

• It increases

• It decreases

• It becomes zero

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Which of the following is NOT a characteristic of an object in equilibrium?

• Net force is zero

• Acceleration is zero

• Object is accelerating

• Object may be at rest

Which object would be harder to stop: a car or a bike, assuming both are moving at the same speed?

• Car

• Bike

• Both are equally hard to stop

• Cannot be determined

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