Exploring Force and Motion Concepts

Why is everything on Earth in constant motion?

• Because of the Earth's rotation and revolution around the Sun.

• Due to gravitational forces only.

• Because of the moon's influence.

• Only because of human activities.

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What are the two measures needed to calculate speed?

• Weight and height

• Energy and power

• Distance and time

• Force and mass

Why might centimeters per minute be a better measure for a snail's speed than miles per hour?

• It provides a more detailed measurement.

• Miles per hour is too fast to measure.

• Snails can't move in miles.

• It's easier to calculate.

What is the speed of light in meters per second?

• Approximately 300,000 m/s

• Exactly 186,000 m/s

• About 150,000 m/s

• Nearly 500,000 m/s

How can you measure your own speed of walking?

• By timing how long it takes to walk a set distance.

• By guessing based on how tired you feel.

• By comparing with someone else's speed.

• By walking in place for a minute.

What equipment do you need to measure your walking speed?

• A treadmill and a heart rate monitor.

• A meter stick, stopwatch, two cones, and a calculator.

• Just a good pair of shoes.

• A GPS tracker and a smartphone.

How do you calculate average speed?

• Add the distance to the time taken.

• Subtract the starting time from the ending time.

• Multiply the time by the distance.

• Divide the distance by the time taken.

Why might your speed vary over different distances?

• Because of changes in stamina.

• Due to the Earth's curvature.

• Speed remains constant over any distance.

• Because of acceleration and deceleration.

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How can a spreadsheet help analyze speed data?

• By automatically calculating average speeds.

• By creating graphs to visualize the data.

• Spreadsheets cannot analyze speed data.

• By comparing it to the speed of light.

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What humorous statement does the narrator make about mice?

• They like clicking a computer mouse.

• They are faster than snails.

• They don't understand motion.

• They enjoy running in wheels.