Force & Motion Retake

What is the next picture in the pattern?

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Jacob is excited to show his toy train to his new friends. The engine runs on a battery and can pull cars. He has built a track for the train. The track makes turns and goes through a tunnel. It also has a hill.

Choose the place where gravity helps the train move.

• A

• B

• C

• D

Jacob is excited to show his toy train to his friends. The engine runs on a battery and can pull cars. He has built a track for the train. The track makes turns and goes through a tunnel. It also has a hill.

Jacob has 10 cars for his train. When they are all used, the train cannot make it up the hill. Explain what Jacob could do to answer this question: How many cars can the train pull up the hill?

• He could take a car away until the train starts moving again.

• He could continue adding cars.

• He can take away all the cars.

Sophia’s school is collecting used books. Sophia is going to her neighbors to ask for donations. She is pulling a wagon for the books. People have given her many books. The wagon is full. When Sophia gets home, she cannot get the wagon up the hill in her front yard.Sophia's brother found a way to get the wagon up the hill.  Look at the picture below.

What is the most likely way Sophia’s brother helped?

• His push on the wagon made the forces balanced.

• His push on the wagon made the forces unbalanced.

Choose the correct words to complete the sentence about what will happen next. The girl will move

• down and the rope will move up.

• up and the rope will move down.

Look at the picture below and then predict what will most likely happen next.

• The boy will set the basket on the table.

• The boy will pass the basket to a friend.

• The boy will keep holding the basket.

• The boy will pass books out to his friends.

What should Emma do next time to ring the bell?

• Hit the target with less force.

• Hit the target with a smaller object.

• Hit the target with more force.

• Hit the target with a balanced force.