Force and Motion Review

A pencil rolled across a desk and hit the tile floor. What caused the pencil to fall to the tile floor?

• friction

• gravity

• mass

Which car would move the farthest if all the cars were pushed with the same amount of force on a flat surface?

• 10 gram car

• 12 gram car

• 14 gram car

• 16 gram car

Mrs. Underwood asked Adrianna to first pull the empty wagon, second load it with 25 bricks, then pull it back. What will change when Adrianna pulls the wagon loaded with bricks?

• Her speed will increase.

• Her speed will decrease.

• She will have more gravity.

• She will have less gravity.

What changes about the force needed to move an object when the mass of the object has decreased?

• Less mass means you need more force to move it.

• Less mass means there's more friction in play.

• Less mass means you need less force to move it.

• Less mass means have more momentum.

Two people are pushing a box with opposing forces and the box remains stationary. What force would describe the opposing forces?

• balanced

• unbalanced

• positional force

• frictional force

Which object would move the farthest if each object were pushed with the same amount of force?

• 10 g ball

• 14 g ball

• 20 g ball

• 40 g ball

A soccer ball is kicked across a grassy field. Eventually the ball stops rolling and comes to a stop. What best explains the cause of the ball to stop rolling?

• The person didn't kick it hard enough

• The ball loses its mass.

• The ball gains more mass.

• The friction of the grass rubs against the ball slowing it down to a stop.

Which term describes an object's ability to continue its motion down a hill?

• friction

• momentum

• gravity

• balanced forces

A ball is traveling across 3 different surfaces. Which surface will the ball travel the farthest?

• carpet

• grass

• tile floor

Abigail is launching 3 objects with a rubber band. Which object will travel the furthest if she uses the same amount of force with each?

• paper clip (0.5 g)

• marble (5 g)

• eraser (2 g)