CFA Motion, Force , Gravity (28%)

What is the force that pulls objects toward the center of the Earth?

• Friction

• Gravity

• Magnetism

• Electricity

Tags

GA.SPS8.c.

Which of the following is an example of Newton's First Law of Motion?

• A ball rolling on a flat surface eventually stops due to friction.

• A rocket launching into space.

• A car accelerating when the light turns green.

• A swimmer pushing water backwards to move forward.

Tags

GA.SPS8.b.

If a car travels 150 km in 3 hours, what is its average speed?

• 30 km/h

• 50 km/h

• 60 km/h

• 75 km/h

Tags

GA.SPS8.a.

Which graph best represents the motion of an object moving at a constant speed?

• A straight line with a positive slope

• A curved line

• A horizontal line

• A straight line with a negative slope

Tags

GA.SPS8.a.

What is the unit of force in the International System of Units (SI)?

• Joule

• Newton

• Watt

• Pascal

Tags

GA.SPS8.b.

Which of the following statements is true about the relationship between mass and gravitational force?

• Gravitational force decreases as mass increases.

• Gravitational force is independent of mass.

• Gravitational force increases as mass increases.

• Gravitational force is inversely proportional to mass.

Tags

GA.SPS8.c.

What is the acceleration due to gravity on Earth?

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GA.SPS8.c.

How does Newton's Third Law of Motion apply when you jump off a small boat onto the shore?

• The boat moves in the opposite direction to your jump.

• The boat remains stationary.

• The boat moves in the same direction as your jump.

• The boat sinks.

Tags

GA.SPS8.b.

Which of the following is a simple procedure to measure the speed of a moving object?

• Use a stopwatch to time how long it takes to travel a known distance.

• Calculate the object's mass.

• Measure the object's temperature.

• Determine the object's color.

Tags

GA.SPS8.a.

If two objects with different masses are dropped from the same height in a vacuum, which will hit the ground first?

• The heavier object

• The lighter object

• Both will hit the ground at the same time

• It depends on the shape of the objects

Tags

GA.SPS8.c.