Name: 
 

Movement Review



Completion
Complete each statement.
 

 1. 

A machine that uses only one movement is a(n) ____________________.
 

 

 2. 

An object is accelerating if its ____________________ or____________________ changes.
 

 

 3. 

In a machine, the effort force you apply is used to overcome a ____________________ force.
 

 

 4. 

The speed of an object and its direction of motion are its ____________________.
 

 

 5. 

The speed of an object at any instant in time is its ____________________ speed.
 

 

 6. 

The less mass a moving object has, the ____________________ it is to stop it.
 

 

 7. 

Force pairs act on ____________________ object(s).
 

 

 8. 

A spring scale is used to measure ____________________.
 

 

 9. 

Machines can change the size of the force you apply, and/or change the ____________________ of the force.
 

 

 10. 

Friction always ____________________ an object.
 

 

 11. 

The smoother a surface is, the ____________________ the force of friction.
 

 

 12. 

According to Newton’s second law, an object acted on by a net force will accelerate in the direction of ____________________.
 

 

 13. 

If a person pushes on a wall with a force of 35 N, the force acting on the person is ____________________.
 

 

 14. 

To do work, a(n) ____________________ must be applied and the object must move.
 

 
 
A ball dropped from a height of 125 m takes 5 s to hit the ground and is traveling at the rate of 50 m/s when it hits.
 

 15. 

The average speed of the ball in meters per second is ____________________.
 

 

 16. 

The ball’s acceleration is ____________________.
 

 

 17. 

After 3 seconds, the ball travels at a rate of ____________________.
 

 

 18. 

After 4 seconds, the ball has traveled a distance of ____________________.
 

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 19. 

It would probably be easiest to ride a bicycle across ____.
a.
a sidewalk
c.
sand
b.
the grass
d.
gravel
 

 20. 

The force that always acts opposite to the direction of the motion of an object is called ____.
a.
gravity
c.
friction
b.
inertia
d.
none of these
 

 21. 

According to Newton’s third law, forces always occur in ____ pairs.
a.
equal but opposite
c.
unequal but complementary
b.
unequal but opposite
d.
equal but complementary
 

 22. 

Newton first described gravity while watching ____.
a.
smoke rise
c.
someone walking
b.
a car accelerate
d.
an apple falling
 

 23. 

You would NOT use ____ to find the acceleration of an object.
a.
time
c.
final speed
b.
initial speed
d.
weight
 

 24. 

Newton’s ____ law of motion explains why you may lean sideways in a car if the driver turns a corner too quickly.
a.
primary
c.
second
b.
first
d.
third
 

 25. 

____ is the speed of an object and its direction of motion.
a.
Friction
c.
Gravity
b.
Mass
d.
Velocity
 

 26. 

To calculate an average speed, you would use ____.
a.
weight and time
c.
acceleration
b.
weight and distance
d.
distance and time
 

 27. 

____ is used to describe an object slowing down because of decreasing speed.
a.
Acceleration
c.
Negative acceleration
b.
Average speed
d.
Inertia
 

 28. 

A bottle opener is a(n) ____.
a.
first-class lever
c.
third-class lever
b.
second-class lever
d.
inclined plane
 

 29. 

An object that has a ____ will accelerate in the direction of the force.
a.
normal force
c.
frictional force
b.
net force
d.
speed
 

 30. 

____ is the rate at which an object covers a given distance.
a.
Acceleration
c.
Force
b.
Speed
d.
Motion
 

 31. 

____ is NOT a force.
a.
Gravity
c.
Friction
b.
Mass
d.
all of these
 

 32. 

A 1-cm screw with a 4-cm thread would have a mechanical advantage of ____.
a.
one
c.
three
b.
two
d.
four
 

 33. 

Stepping from a wagon and watching the wagon move away from you is an example of Newton’s ____ law.
a.
first
c.
third
b.
second
d.
gravitational
 

Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
 

 34. 

Acceleration is a rate that can describe how speed or direction is changing. _________________________

 

 35. 

A compound machine is a combination of simple machines. _________________________

 

 36. 

A combination of pulleys increases the effort force, so the mechanical advantage is greater than one. _________________________

 

 37. 

Average speed does not include the time a car sits at red lights on the way home. _________________________

 

 38. 

There is usually more friction on a smoother surface. _________________________

 

Matching
 
 
Match each statement or term with the correct description.
a.
Force
b.
Not a Force
 

 39. 

the time it takes to make a trip
 

 40. 

the mass of a person on a scale
 

 41. 

the acceleration of a car turning a corner
 

 42. 

friction
 

 43. 

speed
 

 44. 

color
 

 45. 

taste
 

 46. 

the weight of a person standing still
 

 47. 

gravity
 

 48. 

pushing your friend toward the door
 

Short Answer
 

 49. 

How could you use a board and different materials found in the classroom to show the effect of friction on a rolling marble?
 

Essay
 

 50. 

What is the average speed of a car traveling 210 km in 3 h?
 

 51. 

Calculate the distance an object travels if its speed is 60km/h and it travels for 6 h.
 

 52. 

Calculate the mass of an object with a force of 20 N and an acceleration of 2 m/s2.
 

 53. 

Calculate the acceleration of an object that starts at rest and accelerates smoothly to 20 m/s in 5 s.
 

 54. 

Calculate the work of a weight lifter lifting a 400-N weight a distance of 2 m.
 

 55. 

According to Newton’s first law, if an arrow is shot in an open field, it should keep moving. Explain why the arrow eventually stops.
 

 56. 

Explain what inertia means.
 



 
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