G7-SCI-L9 Motion and Time

Which of the following is an example of periodic motion?

• A. A car moving along a straight road
• B. A pendulum swinging back and forth
• C. A ball rolling down a hill
• D. A rocket launching into space

What is the basic unit of time?

• A. Minute
• B. Hour
• C. Second
• D. Day

How is speed calculated?

• A. Distance multiplied by time
• B. Distance divided by time
• C. Time multiplied by distance
• D. Time divided by distance

What type of motion is represented by a straight line on a distance-time graph?

• A. Uniform motion
• B. Non-uniform motion
• C. Circular motion
• D. Periodic motion

What is the purpose of a speedometer in a vehicle?

• A. To measure the distance traveled
• B. To measure the time taken
• C. To measure the speed of the vehicle
• D. To measure the fuel consumption

What does a distance-time graph represent?

• A. Speed of an object
• B. Acceleration of an object
• C. Distance traveled by an object
• D. Time taken by an object

What does a straight line on a distance-time graph indicate?

• A. Constant speed
• B. Increasing speed
• C. Decreasing speed
• D. No motion

What is the time period of a pendulum?

• A. The time it takes to complete one oscillation
• B. The time it takes to cover a certain distance
• C. The time it takes to complete one revolution
• D. The time it takes to complete one cycle

How can you determine the speed of an object?

• A. By measuring the time taken to cover a certain distance
• B. By measuring the distance traveled in a given time
• C. By dividing the distance by the time
• D. All of the above

What is the highest speed mentioned in the text?

• A. 50 km/h
• B. 8 km/s
• C. 8 cm/s
• D. 1 km/min