Unit 1 Test Review

What happens when two objects exert a force on each other?

• One remains still while the other one moves in the same direction.
• They hit each other with the same force in opposite directions.
• They hit each other with unequal force in opposite directions.
• They hit each other with the same force in the same direction

Tags

NGSS.MS-PS2-1

Which best explains why when you’re swimming, you must push your arm backwards through the water in order to move forward? 

• Newton’s 1st Law
• Newton’s 2nd Law 
• Newton’s 3rd Law 
• All of the above

What is the relationship between heavy objects and inertia?

• Only heavy objects have inertia.
• Heavy objects have no inertia.
• Heavy objects have less inertia.
• Heavy objects have more inertia. 

What is the net force on the box? 

• 10 N to the left 
• 10 N to the right 
• 60 N to the left 
• 50 N to the right

In which direction will the net for be? 

• To the left
• To the right
• Up 
• Now

If two objects have different masses and the same force is applied, the object that has the ___________ mass changes speed more quickly. 

• larger
• smaller

Which of the following would speed up or change directions more quickly if the same force is applied to all?

• Golf ball
• Baseball
• Marble
• Bowling ball

Which has more Inertia? (so need more force to move) 

• Truck
• Ant
• A cat
• A skateboard

Tags

NGSS.MS-PS2-2

What is the relationship between heavy objects and inertia?

• Only heavy objects have inertia.
• Heavy objects have no inertia.
• Heavy objects have less inertia.
• Heavy objects have more inertia. 

Sue pushes a box 250 N to the right. Ann pushes 375 N to the left. What's the net force?

• 125 N to the right
• 125 N to the left
• 625 N to the left
• 625 N to the right