Chapter 15 Test Question Preview (ID: 37143)


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In which of the following would you expect to see no movement?
a) a 2-N force pulling up and a 5-N force pushing down
b) a 2-N force pulling up and a 3-N force pushing down
c) a 3-N force pulling to the left and a 3-N force pulling to the right
d) a 5-N force pulling to the left and a 4-N force pulling to the right

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) There is constant speed
b) There is instantaneous speed
c) There is constant acceleration
d) The acceleration is changing

What force keeps the moon from shooting straight out into outer space?
a) The gravitational pull of Earth
b) The gravitational pull of the Sun
c) The tiny amount of friction in space
d) The massive amount of friction in space

A runner travels 3 kilometers in 30 minutes. What is the speed of the runner?
a) 1km/h
b) 6km/h
c) 9km/h
d) 90km/h

What causes a rock sitting on the ground to remain in the same place unless a force acts upon it?
a) Friction
b) Inertia
c) Momentum
d) Unbalanced force

Which statement shows Newton’s three laws of motion
a) 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
b) 1. An objects acceleration depends on the mass and friction of the object, 2. When a force is applied to an object the obj
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) Newton only has two laws

A billiards player hits a ball and his ball hits another ball into the pocket at the corner of the table. What happened?
a) When the two collided both lost momentum
b) When the two collided both gained momentum
c) The first one slowed because it gained momentum from the cue stick
d) The first one slowed because it gave some of its momentum to the second one

Unbalanced forces affect an object by
a) The object will move in reaction to the lowest force
b) The unbalanced force will cause an object to obliterate
c) The unbalanced force will even itself out and become balanced
d) The object will move in reaction to the highest force

You are trying to push a box across the floor. What kind of friction is making it hard to start moving the box?
a) Heat friction
b) Static friction
c) Rolling friction
d) Sliding friction

Using a frame of reference to detect motion means
a) The observer views an object in relation to another object that appears to stay in place
b) A frame of reference is when an object besides the frame of reference is completely still
c) A frame of reference involves timing all objects that are in motion
d) The object that stays in place will appear to move

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 grass
b) The ball rolling on carpet
c) The ball rolling on a tile floor
d) The ball rolling on a sandy path

Earth’s gravitational force will have the greatest effect on
a) A-160 pound person in an airplane
b) A-160 pound person at sea level
c) A 160-pound person walking on the moon
d) A 160-pound person on Mt Everest

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 but equal force
b) The baseball hits the bat with an opposite and lesser force
c) The baseball hits the bat with an opposite and double force
d) The baseball hits the bat with an opposite and greater force

What is the difference between speed and velocity?
a) Speed measures linear motion only
b) Speed does not include a time measurement
c) Velocity is the speed of an object measured in 1 hour
d) Velocity is the speed of an object in a particular direction

Which tool can be used to measure force?
a) Ruler
b) spring scale
c) Pan scale
d) electronic scale

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) 10N/20kg
b) 10kg/5N
c) 5N x 10Kg
d) 5N/10kg X 2

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