Introduction to Forces
Quiz by Amoy Scott
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14 questions
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- Q1A moving car takes more and more time to pass mile markers along a highway. Which best describes the motion of the car?speeding upmoving at the same speedslowing downchanging direction30s
- Q2Which best explains the difference between speed and velocity?Speed deals with upward motion, and velocity deals with forward motion.Speed requires momentum, and velocity does not.Velocity refers to living motion, and speed refers to non-living motion.Velocity requires direction, and speed does not.30s
- Q3On a graph showing distance versus time, which type of line indicates no motion?horizontal linevertical linedownward-curving lineupward-curving line30s
- Q4How might the speed of a vehicle be determined if its speedometer is broken?by measuring velocity and distanceby measuring velocity and timeby measuring acceleration and distanceby measuring distance and time30s
- Q5When a roller coaster makes sudden turns, why is a person’s body thrown from side to side?because of the friction of the roller coaster on its tracksbecause of the inertia of the person’s bodybecause of the speed of the roller coasterbecause of the deceleration of the roller coaster as it turns30s
- Q6Which term describes the tendency of an object to resist changes in motion?inertiafrictionforcevelocity30s
- Q7A student standing outside does not feel Earth moving in space. What is the reference point that shows Earth is moving?the suna moving carwindthe student30s
- Q8If a force acts constantly on a stationary object, the object will ___________.move at a constant speed in the direction of the forceaccelerate in the direction of the forceremain stationaryaccelerate in the opposite direction of the force30s
- Q9What of the following would typically be used to express speed?centimeters per milemiles per hourgrams per literdegrees per liter30s
- Q10A river flows south at 10 meters per second. A canoe set out from the river’s eastern shore straight across toward the other side. Which best describes the canoe’s path?The canoe's path will be a diagonal line from southeast to northwest.The canoe's path will be a straight line from east to west.The canoe's path will be a diagonal line from northeast to southwest.The canoe's path will be a straight line from north to south.30s
- Q11If a force acting on a moving object stops acting, the object will:move at a slower speed.keep moving at a constant speed.still movingspeed up30s
- Q12When a car goes around a corner at 20 mph, why do we say it accelerates?The car is accelerating because it's changing direction.The car is accelerating because the velocity is constant.The car accelerates because it's going 20 mph.Cars accelerate when they are in motion.30s
- Q13Three forces are acting upon the box shown in the diagram below. Assuming there is no friction between the floor and the ground, how will these forces affect the position of the box?The forces will cause the box to move to the left.The forces will cause the box to collapse to the ground.The forces will be unable to move the box in any direction.The forces will cause the box to move to the right.30s
- Q14Which statement is the best interpretation of the graphed data?The car is at rest for 4 seconds and then steadily decreases in speed.The car increases in speed for 4 seconds and then decreases in speed.The car decreases in speed for 4 seconds and then increases in speed.The car is at rest for 4 seconds and then steadily increases in speed.30s