Force and motion

Front

What is the unit for acceleration?

Back

m/s²

Front

A group of students performed an investigation with toy cars. They applied a force on the toy cars and measured the time it took the cars to move through a 10-meter distance. What question were they most likely trying to answer?

Back

Does the force on a car affect the change in motion?

Front

Shown is the graph of the motion of a car.

Which of the following best explains the motion of the car represented by section "D" of the graph?

• The car is going faster than it was in section "B"
• The car is stopped in section "D"
• The car is moving on level ground in section "D"
• The car is higher than it was in section "B"

Back

The car is stopped in section "D"

Front

Which car won the race?

Back

Car 1

Front

The speed boat's speed increased from 0m/s to 24m/s in a time span of 12 seconds. What is the acceleration?

Back

2 m/s²

Front

Velocity of football increases from 10m/s to 40m/s over 5 seconds. What is the acceleration?

Back

6 m/s²

Front

Change in speed = 14 m/s; time taken = 2 seconds. The acceleration is...

Back

7m/s²

Front

Ferrari accelerates at 50 m/s² for 3 seconds. What is the change in velocity?

Back

150 m/s

Front

What kind of acceleration is shown here? Options: positive, negative, none, varies

Back

none

Front

What is the velocity? Options: positive, negative, decreasing, increasing

Back

decreasing