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Chapter 15 Test
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Which tool can be used to measure force?
A
electronic scale
B
Pan scale
C
spring scale
D
Ruler
2) Imagine that you are pushing on a 20 Kg box with a 10-N force. Which formula will calculate the acceleration of the box?
A
5N/10kg X 2
B
5N x 10Kg
C
10N/20kg
D
10kg/5N
3) What is the difference between speed and velocity?
A
Speed measures linear motion only
B
Velocity is the speed of an object in a particular direction
C
Velocity is the speed of an object measured in 1 hour
D
Speed does not include a time measurement
4) A baseball player hits the ball with his bat. Which of the following statements is true about the ball hitting the bat?
A
The baseball hits the bat with an opposite and greater force
B
The baseball hits the bat with an opposite but equal force
C
The baseball hits the bat with an opposite and double force
D
The baseball hits the bat with an opposite and lesser force
5) Earth’s gravitational force will have the greatest effect on
A
A 160-pound person on Mt Everest
B
A-160 pound person at sea level
C
A-160 pound person in an airplane
D
A 160-pound person walking on the moon
6) Four students roll basketballs across four surfaces with the same amount of force. Which ball will most likely travel the farthest?
A
The ball rolling on carpet
B
The ball rolling on grass
C
The ball rolling on a tile floor
D
The ball rolling on a sandy path
7) You are trying to push a box across the floor. What kind of friction is making it hard to start moving the box?
A
Static friction
B
Rolling friction
C
Sliding friction
D
Heat friction
8) Using a frame of reference to detect motion means
A
A frame of reference involves timing all objects that are in motion
B
A frame of reference is when an object besides the frame of reference is completely still
C
The observer views an object in relation to another object that appears to stay in place
D
The object that stays in place will appear to move
9) Unbalanced forces affect an object by
A
The object will move in reaction to the lowest force
B
The object will move in reaction to the highest force
C
The unbalanced force will cause an object to obliterate
D
The unbalanced force will even itself out and become balanced
10) Which statement shows Newton’s three laws of motion
A
1. An objects acceleration depends on the mass and friction of the object, 2. When a force is applied to an object the obj
B
Newton only has two laws
C
1. An object at rest stays at rest and an object in motion stays in motion at a constant speed in a straight line unless a
D
1. No energy is ever lost completely, 2. No mass is ever created or destroyed, 3. An object at rest stays at rest and an obje
11) A billiards player hits a ball and his ball hits another ball into the pocket at the corner of the table. What happened?
A
The first one slowed because it gave some of its momentum to the second one
B
When the two collided both lost momentum
C
When the two collided both gained momentum
D
The first one slowed because it gained momentum from the cue stick
12) What force keeps the moon from shooting straight out into outer space?
A
The gravitational pull of the Sun
B
The massive amount of friction in space
C
The gravitational pull of Earth
D
The tiny amount of friction in space
13) A runner travels 3 kilometers in 30 minutes. What is the speed of the runner?
A
9km/h
B
6km/h
C
90km/h
D
1km/h
14) What causes a rock sitting on the ground to remain in the same place unless a force acts upon it?
A
Momentum
B
Friction
C
Unbalanced force
D
Inertia
15) In which of the following would you expect to see no movement?
A
a 2-N force pulling up and a 3-N force pushing down
B
a 5-N force pulling to the left and a 4-N force pulling to the right
C
a 2-N force pulling up and a 5-N force pushing down
D
a 3-N force pulling to the left and a 3-N force pulling to the right
16) If you were looking at a graph and the line was increasing between 3 seconds and 7 seconds what could you determine is happening.
A
The acceleration is changing
B
There is constant acceleration
C
There is instantaneous speed
D
There is constant speed
*select an answer for all questions
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