Force & Motion Chapter Test

Which graph represents an object that stopped moving halfway through the time measured?

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Four wheelbarrows with different masses are sitting in a yard. Which wheelbarrows would require the most force to make it start moving?

• the wheelbarrow with a mass of 45 kg

• the wheelbarrow with a mass of 35 kg

• the wheelbarrow with a mass of 20 kg

• the wheelbarrow with a mass of 15 kg

Which object will most likely move the farthest during 1 minute?

• A train traveling with 16 meters per second

• A racehorse running 15 meters per second

• A bowling ball rolling 7 meters per second

• A man swimming 2 meters per second

Which is the best example of gravity acting on an object?

• A girl skating over ice begins speeding up

• A boy on a stair ways starts climbing up two steps at a time

• A toy car at the top of a ramp begins rolling down

• A boy on a skateboard glides by on level sidewalk

An object is rolling along the ground. How would decreasing friction most likely affect the motion of the object?

• It would reduce the object's speed

• It would reverse the object's direction

• It would increase the object's speed

• It would have no effect on the object's motion

It takes less force to lift Liz's model of the solar system from the floor to the table than it takes to lift Maria's model the same distance. Which is the best explanation for this difference?

• Maria's model moves a greater distance than Liz's model

• Maria's model has a greater mass than Liz's model

• Liz's model has a greater mass than Maria's model

• Liz's model is taller than Maria's model

Tags

NGSS.MS-PS2-2

A student is observing the motion of an ant. Which pair of tools should the student use to find the ant's speed?

• Scale and meterstick

• Clock and meterstick

• Clock and scale

• Meterstick and graduated cylinder

A batter hits a softball with a certain force. The next batter hits the softball with a greater force. Which describes what most likely happens?

• The ball moves faster and farther when the first batter hits it

• The ball moves faster and farther when the second batter hits it

• The ball moves slower but farther when the first better hits it

• The ball moves faster but not as far when the second batter hits it

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Students use a spring scale when comparing properties f a mixture and its parts. Which property is most likely being compared?

• Mass

• Weight

• Temperature

• Shape

If a horse runs 120 meters in 10 seconds, what is the speed of the horse?

• 10 meters per second

• 12 meters per second

• 120 meters per second

• 1200 meters per second

Tags

NGSS.MS-PS3-1