Newton's Laws of Motion Set A
Newton's Laws of Motion Set B
Predicting Speed
Calculating Speed
Distance Time Graphs
100
A wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon?
A. It would cause the wagon to move faster.
B It would cause the wagon to change mass.
C It would cause the wagon to change direction.
D It would cause the wagon to slow down.
D - It would cause the wagon to slow down.
100
Two people are each pulling on the opposite ends of a rope. If they are pulling on the rope with equal but opposite forces, what will happen to the rope?
A. It will stay in place between the two people.
B. It will move toward the right.
C. It will move toward the left.
D. It will fall to the ground.
A. It will stay in place between the two people.
100
This type of graph is used to describe something about an object.
What could this graph describe?
A. friction
B. volume
C. mass
D. speed
D. speed
100
A runner measured the time it took him to run 5 km. What can he calculate from the distance and time measurements?
A direction
B mass
C speed
D force
C speed
100
This graph shows the motion of an animal.
When does the animal remain still?
A. between second 1 and second 2
B. between second 2 and second 3
C. between second 3 and second 4
D. between second 4 and second 5
B. between second 2 and second 3
200
Which best explains why a bicycle slows down when its brakes are applied?
A The brakes heat the rubber on the bicycle tires.
B The brakes add energy to the bicycle.
C The brakes increase the force of gravity on the bicycle.
D The brakes cause frictional forces on the wheels of the bicycle.
D The brakes cause frictional forces on the wheels of the bicycle.
200
This diagram shows a ramp with a toy car at the bottom. A string is attached to the front of the car and the string goes over a pulley at the top of the ramp. A weight is attached to the other end of the string.
What would be MOST responsible for the toy car being pulled up the ramp?
A. friction
B. Gravity
C. kinetic Energy
D. momentum
B. Gravity
200
A car moves along a road that has markers every kilometer. Over time, it passes the markers in shorter periods of time. Which BEST describes the motion of the car?
A. the car is keeping the same direction
B. the car is maintaining the same speed
C. the car is increasing speed
D. the car is changing direction
C. the car is increasing speed
200
If a car is moving backward along a road, can its speed be measured?
A Yes, it can, because the car does not have friction acting on it.
B Yes, it can, because the car travels a distance in a certain amount of time.
C No, it cannot, because speed can only be measured if the car is moving forward.
D No, it cannot, because the distance traveled backward by a car cannot be measured.
B Yes, it can, because the car travels a distance in a certain amount of time.
200
Which graph represents an object that is decreasing in speed?
D
300
A ball is kicked and rolls along a level field until it comes to a stop. What is most responsible for the ball coming to a stop?
A air
B gravity
C mass
D friction
D friction
300
What increases as a rock falls to the ground?
A. the density of the rock
B. The pull of gravity on the rock
C. the inertia of the rock
D. the momentum of the rock
D. the momentum of the rock
300
An object is moving at a constant speed. If a balanced force is applied in the opposite direction the object is moving, what will MOST LIKELY happen?
A. The object will speed up.
B. The object will change direction
C. The object will continue moving at a constant speed.
D. The object will slow down and eventually stop moving.
D. The object will slow down and eventually stop moving.
300
Scientists discover an asteroid that is moving through space. What information is needed to determine the average speed of the asteroid?
A the mass and size of the asteroid
B the distance the asteroid is from Earth
C the direction the asteroid is moving and its distance from Earth
D how far the asteroid has moved in 24 hours
D how far the asteroid has moved in 24 hours
300
Which car is moving fastest at 30 seconds?
Car A
Car B
Car C
Car D
Car A
400
What causes a wagon to speed up when going down a hill?
A gravity
B friction
C air pressure
D mass
A gravity
400
A student is riding a bike and applies the brakes. Which MOST helps the bike to stop?
A. friction
B. gravity
C. heat
D. momentum
A. friction
400
A scientist is designing a speedboat to travel through the water with the LEAST amount of resistance. What would the scientist MOST LIKELY need to consider when designing the boat?
A. the length of the boat
B. the shape of the boat
C. the power of the boat
D. the weight of the boat
B. the shape of the boat
400
A bowling ball moves across a flat surface at 7 feet per second. If a student is asked to calculate the total distance traveled by the ball, what other information does the student need to know?
A amount of friction between the ball and the surface
B amount of force applied to the ball
C total time the ball rolled
D mass of the ball
C total time the ball rolled
400
Which car is moving slowest at 30 seconds?
Car A
Car B
Car C
Car D
Car C
500
Which statement BEST describes what must happen in order for a person to lift an object?
A. The force of gravity must be greater than the mass of the object.
B. The mass of the object must be greater than the force of gravity.
C. The force of gravity must be greater than the upward pull or push on the object.
D. The upward pull or push on the object must be greater than the force of gravity.
D. The upward pull or push on the object must be greater than the force of gravity.
500
Which BEST explains why a moving skateboard on a sidewalk will slow down?
A. The friction between the box and the floor decreases when it is pushed.
B. The pull of gravity on the box decreases when it is pushed.
C. Unbalanced forces cause the box to stop.
D. Balanced forces cause the box to stop.
C. Unbalanced forces cause the box to stop.
500
This diagram shows two boxes hanging over a pulley. The boxes are fastened to the opposite ends of the same piece of rope. The rope does not stretch or break.
What will happen in this situation?
A. Box 1 will move up and Box 2 will move down.
B. Box 1 will move down and Box 2 will move up.
C. both boxes will not move
D. both boxes will move down
B. Box 1 will move down and Box 2 will move up.
500
A car is traveling at a speed of 45 km/h to a town 90 km away. If time = distance divided by speed, how long will the car take to get to the town?
A. 0.5 hour
B. 1 hour
C. 1.5 hours
D. 2 hours
D. 2 hours
500
How long was the car stopped?
A. 10 seconds
B. 20 seconds
C. 30 seconds
D. 40 seconds
B. 20 seconds