WorksheetsIrwin Forces and Motion
Total questions: 20
Worksheet time: 12mins
Which investigation will best test the effects of gravity on moving objects?
pencils falling from the same height
balloons floating upward from the same height
a bicycle speeding up on a flat surface
a ball slowing down on a flat surface
A weight, suspended from a pole, is held in place as shown. When the weight is released, it moves in the direction shown. Which of these would cause the weight to move in this direction?
electric force
magnetic force
friction
gravity
How would the absence of friction affect a marble traveling on a long, straight path?
The marble’s speed would decrease.
The marble’s speed would increase.
The marble would stop immediately.
The marble would remain at constant speed.
Movers slide a box down the ramp of a truck. What helps slow the box as it slides to the bottom of the ramp?
friction
gravity
inertia
magnetism
What keeps the Earth in orbit around the Sun?
inertia of the moon
location of earth’s orbit
speed of Earth’s rotation
Sun’s gravitational pull
Marcus traveled west for 2 hours at 50 mph. He then traveled east for another hour at 25 mph. How many total miles did Marcus travel? (speed = distance ÷ time)
25 miles
75 miles
125 miles
150 miles
A train travels 150 miles in 2 hours. What is the average speed of the train? (average speed = distance ÷ time)
30 miles per hour
50 miles per hour
75 miles per hour
100 miles per hour
Which is a correct statement about the object shown in Graph W?
The object speeds up during the trip.
The object slows down during the trip.
The object travels at a constant speed during the trip.
The speed of a bowling ball is found to be 3 meters per second. How far would the bowling ball roll in 10 seconds? (speed = distance ÷ time)
5 meters
15 meters
30 meters
60 meters
The graph below shows the motion of a student riding a bike.
between seconds 1 and 2
between seconds 3 and 4
between seconds 6 and 7
between seconds 9 and 10
The graph below shows a helicopter’s change in position over ten minutes of time. During what time period did the helicopter’s position change the least?
1-2 minutes
3-4 minutes
5-6 minutes
7-8 minutes
The graph below displays the position of an object over time. Which best describes the motion of the object?
The object is not moving.
The object is increasing in speed.
The object is decreasing in speed.
The object is moving at a constant speed.
The position-time graph below shows the motion and stops of a bus as it completes its morning route. How much longer did the bus remain at the second stop as compared to the first stop?
3 minutes
4 minutes
7 minutes
11 minutes
Crystal recorded the distance and time she and Lisa drove their race cars. Which best describes the difference in the motion of the two race cars? (speed = distance ÷ time)
Crystal’s race car is decreasing speed, and Lisa’s race car is increasing speed.
Crystal’s race car is increasing speed, and Lisa’s race car is decreasing speed.
Crystal’s race car has not moved, and Lisa’s race car is moving forward.
Below is a position-over-time graph of an airplane. Which best describes the motion of the airplane?
The airplane travels 300 miles in 1 hour, stops at an airport for 1 hour, and then travels back to its original airport.
The airplane travels at a constant speed for 1 hour, stops for 1 hour, and then decelerates to land at a different airport.
The airplane accelerates for 300 miles in 1 hour, travels a constant speed, and then decelerates to land at a different airport.
The airplane decelerates for 300 miles in 1 hour, stops for 1 hour, and then decelerates as it travels back to its original airport.
When pushed with the same amount of force across a desk, which toy car would most likely travel the fastest?
a car weighing 25 grams
a car weighing 20 grams
a car weighing 15 grams
a car weighing 10 grams
A soccer player kicks a soccer ball across a field. Which factor has the most effect on the distance the soccer ball travels?
the color of the ball
the temperature of the air
the force of the kick
the length of the field
A book is being pushed across a table. If an equal force is applied to the book in the opposite direction, which will most likely be the result?
The book will increase in speed.
The book will continue moving at the same speed.
The book will fall off the side of the table.
The book will decrease in speed.
Which must happen for a moving car to change direction?
Gravity must act on the car.
The car must slow down.
Another force must act on the car.
The mass of the car must change.
A merry-go-round is spinning in the direction of the arrow. Myra wants to stop the merry-go-round. Which picture best shows a force she can apply to the merry-go-round that will make it stop?
