4th Science U1M1 Review

Fill in the blanks using the available answer choices. ____________ forces cancel each other out when acting on a single object.

• Balanced

• Unbalanced

• Neutral

• Opposing

Team A and team B played tug-of-war. Which most likely happened if team A won?

• Team B used more force.

• Both teams used the same amount of force.

• Team A used more force.

• Team A used less force.

Fill in the blanks using the available answer choices. Unbalanced forces acting on an object cause a change in the ____________ of that object.

• weight

• motion

• color

• temperature

If two equal and opposite forces are applied to an object, ______.

• the object moves faster

• the object's motion does not change

• the object slows down

• the object changes direction

If all the racers in a bike race apply equal force, who is most likely to win the race?

• the racer with the most mass

• the racer with the least mass

• the tallest racer

• the racer with a blue bike

Jacob is walking a dog that is small and a dog that is large. The dogs suddenly pull in opposite directions. In which direction will Jacob be pulled?

• toward the smaller dog

• toward the larger dog

• away from the dog applying more force

• toward the dog applying more force

How can you determine the speed of a moving train?

• Divide the distance traveled by the time spent moving.

• Divide the time spent moving by the direction traveled.

• Multiply the distance traveled by the time spent moving.

• Multiply the kinetic energy by the distance traveled.

An object that is sitting still has ____________________ forces acting on it.

• balanced

• unbalanced

• gravitational

• frictional

A boy pushes on a box and moves it across the room. This is an example of ______.

• balanced forces

• unbalanced forces

• potential energy

• chemical energy

Fill in the blanks using the available answer choices. Objects in motion tend to stay in motion because of the property of _______________.

• inertia

• gravity

• friction

• momentum

• velocity