Force and Motion
Quiz by Meredith Vera
Grade 8
Science (2017)
Texas Essential Knowledge and Skills (TEKS)
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16 questions
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- Q1Which of Newton's laws best explains why passengers move forward when a vehicle suddenly stops?Newton's First Law of MotionNewton's Second Law of MotionNewton's Third Law of MotionNone of the above30s8.6c
- Q2Which of Newton's laws is primarily demonstrated when a football player kicks a ball and it moves forward?Newton's Third Law of MotionNone of the aboveNewton's Second Law of MotionNewton's First Law of Motion30s8.6c
- Q3In an amusement park, riders on a roller coaster feel a sensation of weightlessness at the top of a loop. Which of Newton's laws explains this?Newton's Second Law of MotionNewton's First Law of MotionNewton's Third Law of MotionNone of the above30s8.6c
- Q4Which of Newton's laws of motion explains how rocket launches into space?Newton's Third Law of MotionNewton's First Law of MotionNewton's Second Law of MotionNone of the above30s8.6c
- Q5How does Newton's Third Law of Motion apply in the sport of boxing when a boxer punches their opponent?The boxer's mass determines the force of the punchNone of the aboveThe force exerted by the boxer is met with an equal and opposite forceThe speed of the boxer's punch determines its force30s8.6c
- Q6How does Newton's Second Law of Motion apply in the sport of soccer when a player kicks a ball?The direction of the kick determines the ball's pathHeavier balls go fartherThe force of the kick gives the ball accelerationThe ball doesn't move30s8.6c
- Q7What is the key difference between velocity and acceleration?Velocity is always faster than accelerationAcceleration measures the rate of change of velocityAcceleration refers to the speed of an object, while velocity refers to its directionBoth velocity and acceleration are the same thing30s8.6b
- Q8Which out of speed, velocity, and acceleration involves direction?None of the aboveSpeedAccelerationVelocity30s8.6b
- Q9A soccer ball has been kicked and is moving across the field. What happens when a gust of wind strikes the ball?The ball stopsThe ball disappearsThe ball changes directionThe ball remains unaffected30s8.6a
- Q10A 2kg object is moving at 5m/s. An unbalanced force of 10N acts on it for 2 seconds. What will be the new speed of the object?25m/s15m/s20m/s10m/s30s8.6a
- Q11A 3kg box is at rest on a rough surface. An unbalanced force of 9N is applied to move it. What will be the acceleration of the box?6m/s²2m/s²9m/s²3m/s²30s8.6a
- Q12A car moving at 20m/s encounters an unbalanced force which causes it to decelerate at 4m/s². How long will it take for the car to stop?15 seconds4 seconds5 seconds10 seconds30s8.6a
- Q13A toy car is moving at 10m/s. An unbalanced force causing an acceleration of 2m/s² acts on it for 5 seconds. What will be the final speed of the toy car?10m/s15m/s25m/s20m/s30s8.6a
- Q14A 5 kg object is acted upon by an unbalanced force of 15 N. What is the resulting acceleration?5 m/s²30 m/s²2 m/s²3 m/s²30s8.6a
- Q15You push a 4kg box with a force of 20N for 3 seconds. How much does the speed of the box change?12m/s15m/s18m/s20m/s30s8.6a