Forces and Motion EOG

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble would remain at constant speed.

• The marble’s speed would decrease.

• The marble’s speed would increase.

• The marble would stop immediately.

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Martin needs to push a box up a ramp.

Which forces will Martin work against most

when he pushes the box up the ramp?

• friction and gravity

• inertia and magnetism

• magnetism and friction

• gravity and momentum

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Which best represents the relationship between force and the mass of an object?

• The greater the force, the smaller the object.

• The smaller the force, the smaller the object.

• The force on an object determines what density it has.

• The greater the mass of an object, the greater the force needed to move it.

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Carlos and Andrew decided to race each other

home from school. The graph below shows the

motion of the boys during the race. Which best

describes the race?

• Both boys reached the finish line at the same time.

• Andrew won the race because he reached the

  finish line in a shorter amount of time.

• Carlos won the race because he reached the finish line in a shorter amount of time.

• Andrew won the race because he reached the finish line in a longer amount of time.

Which is the best explanation of why the Moon revolves around Earth?

• The Moon has a thinner atmosphere than Earth.

• The Moon is too large to move away from Earth.

• The Moon is attracted by the gravity of Earth.

• The Moon has a smaller gravitational force than Earth.

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Two people need to move a large, heavy box. One person pushes the box, while the other person pulls the box. Which way of moving the box makes the work easiest for the people?

• 
• 
• 
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Pam ran down the sidewalk to school with her empty backpack. After school Pam’s backpack was loaded with books. Which best describes the force required to carry her book bag home?

• It took the same amount of force to carry the loaded book bag home.

• It took a greater amount of force to carry the loaded book bag home.

• It took a lesser amount of force to carry the loaded book bag home.

• Pam had a wheels on her backpack so she experienced an easier force.

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When Isaac Newton theorized that gravity causes objects to fall to the ground, he had also discovered the force that causes

• chemicals to react.

• volcanoes to erupt.

• the planets to orbit the Sun.

• lightning to strike Earth.

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Which characteristic of the Sun helps planets stay in their orbit?

• old age

• round shape

• strong gravity

• high temperature

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Four cars are at the starting line of a race. Which car will require the most force to start moving?

• car with mass of 1200 kilograms

• car with mass of 1500 kilograms

• car with mass of 1700 kilograms

• car with mass of 2000 kilograms

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