Forces and Motion Review

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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How is gravity affected by mass?

• the larger the mass of the object, the greater the gravity
• small objects have no gravity
• gravity is not affected by mass of objects, whether large or small

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Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

Mrs. Gibson creates an experiment with different heights of ramps to see which height makes a toy car travel farther. What is the variable?

• Size of the car

• Height of the ramp

• Distance the car travels

• Surface of the ramp

What kind of energy does the skateboarder represent? 

• potential
• chemical
• nuclear
• kinetic

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What kind of energy does the big rock hold?

• kinetic
• chemical
• potential
• nuclear

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If the man and the ball travels 90 m in 9 seconds, what is their average speed?

• 10 m/s
• 99 m/s
• 180 m/s
• 10 meters

This game of tug of war is an example of _________ forces. 

• unbalanced
• balanced
• potential
• net zero

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How do you calculate Average Speed?

• speed x time
• distance/speed
• total distance/total time
• total speed x total time

The position of a runner in a race changes as time passes. What could a reference point to describe the change in position? 

• the starting line
• the runner’s speed
• the runner’s right foot
• another runner