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Q 1/9
Score 0
A fair-goer decides to ride the bumper cars. After colliding with another bumper car, both cars bounce backwards. Which Law of Motion best explains the collision?
30
2nd Law of Motion
1st Law of Motion
3rd Law of Motion
Q 2/9
Score 0
Which of the following is defined as the rate of change of velocity over time?
30
force
speed
acceleration
9 questions
Q.
A fair-goer decides to ride the bumper cars. After colliding with another bumper car, both cars bounce backwards. Which Law of Motion best explains the collision?
1
30 sec
Q.
Which of the following is defined as the rate of change of velocity over time?
2
30 sec
Q.
A ball is thrown and hits a wall. The wall does not move. Which Law of Motion best explains the action of the wall?
3
30 sec
Q.
An object is free falling towards the earth. Which of the following forces must act on the object?
4
30 sec
Q.
An object is sitting motionless on a surface. Which of the following forces must be acting on the object?
5
30 sec
Q.
An object with a mass of 10 kg will move with an acceleration of 5.0 m/s2 if the force is 50 N. Which Law of Motion best explains the specific acceleration?
6
30 sec
Q.
A child is pulling a wagon with a rope. Which type of force is causing the wagon to move?
7
30 sec
Q.
A soccer player kicks a soccer ball towards the goal. Which of the following is true of the kick?
8
30 sec
Q.
A race is started and the average velocity of the runners is about 4.0 m/s. One runner is running at -4.0 m/2. Which of the following best describes the runner's motion?