Physics Quiz

Which sentence describes zero net force?

• a book sitting on a desk

• a leaf falling from a branch on a tree

• a girl putting on the brakes on her bike

• a truck speeding up to get on the highway

Gina is studying static electricity. Which question will help her the most?

• Which materials are attracted to magnets?

• How big should magnets be to attract each other?

• Do objects have to touch to transfer static electricity?

• Is static electricity the buildup of electricity in an object?

Which picture shows Car 1 having the greater force?

• Option A

• Option B

• Option C

• Option D

Which picture shows the strongest magnetic attraction?

• A

• B

• C

• D

Larry spilled a box of metal tacks in the tall grass. He wants to pick them up before anyone steps on them. The solution should cost less than $20. Which of these is the best solution for Larry’s problem?

• A. magnet tied to broom-$15

• B. mowing tall grass-$150

• C. picking up tacks by hand-$0

• D. shining light on grass-$10

Which picture shows movement by pulling?

• A

• B

• C

• D

Kori wants to show an unbalanced force. Her friend will sit on a chair. Kori will push the chair. Which questions should Kori ask herself before she sets up her experiment? Write one letter in each blank to show which questions Kori should ask. 1. Does the chair have wheels?

Kori wants to show an unbalanced force. Her friend will sit on a chair. Kori will push the chair. Which questions should Kori ask herself before she sets up her experiment? Write one letter in each blank to show which questions Kori should ask. 2. What color should the chair be?

Kori wants to show an unbalanced force. Her friend will sit on a chair. Kori will push the chair. Which questions should Kori ask herself before she sets up her experiment? Write one letter in each blank to show which questions Kori should ask. 3. Should the friend weigh less than Kori?

Jim wants to show his classmates balanced and unbalanced forces. He will use a small seesaw and wooden blocks made of the same type of wood. Write the correct letters in the boxes to show the steps Jim should follow. Not all of the letters will be used.