NGS5-4G-INSPIRE SCIENCE Energy and Motion Pretest

Forces cancel each other out when acting on a single object.

(a)  

• Balanced
• Unbalanced

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.

Unbalanced forces acting on an object cause a change in the of that object. (a)  

• weight

• motion

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

(a)  

• the object's motion does not change
• the object changes direction
• the object slows down
• the object moves faster

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

A car that is accelerating has ____________forces acting on it

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