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WorksheetsSemester review
Total questions: 40
Worksheet time: 36mins
Newton's second law of motion states that the acceleration of an object is directly proportional to the ________ applied to it.
force
mass
distance
velocity
According to Newton's third law of motion, for every action, there is an equal and opposite ________.
reaction
distraction
procrastination
inaction
Contact forces are forces that occur when two objects are ________.
moving
at a distance
touching
in motion
Net force is the ________ of all the forces acting on an object.
difference
product
average
sum
Which law of motion explains why a person feels a backward force when they jump off a boat onto a dock?
Newton's second law of motion
Law of conservation of energy
Newton's third law of motion
Newton's first law of motion
If the net force acting on an object is zero, then the object will ________.
Accelerate in the opposite direction
Come to a stop
Change direction randomly
Remain at rest or continue to move at a constant velocity.
What is the NET FORCE and DIRECTION (of net force)?
4 N to LEFT
4 N to RIGHT
0 N
0 N to RIGHT
What is the NET FORCE and DIRECTION (of net force)?
4 N to LEFT
4 N to RIGHT
0 N
0 N to RIGHT
What is the NET FORCE and DIRECTION (of net force)?
6 N to LEFT
6 N to RIGHT
6 N
3 N to LEFT
What is the speed of a plane that travels 450 miles in 2 hours?
225 meters per second
225 miles per hour
900 miles per hour
900 meters per second
If an object travels 42 meters in 6 seconds, what is its average speed?
6 m/s
7 m/s
42 m/s
252 m/s
potential energy.
Which picture is NOT an example of Chemical PE?
What kind of energy is in a rock at the edge of a cliff?
chemical potential
elastic potential
gravitational potential
When you compress a spring, you are storing __________ energy.
sound
elastic
light
chemical
Which kind of motion is best describes how the Earth is moving?
Rotation
Revolution
2.
The movement of Earth around the Sun once every 365 days is called________________.
rotation
revolution
The picture shows the daylight side of Earth. Which best describes why Earth has day and night?
The Moon rotates on an axis.
Earth rotates on an axis.
The Moon revolves around Earth.
Earth revolves around the Sun.
One complete revolution of Earth around the Sun is called a
day
night
month
year
First phase of the lunar cycle; not visible and it's often represented by a black circle.
Full Moon
New Moon
First Quarter
What does waning mean?
appears to get BIGGER
appears to get SMALLER
LESS light
MORE light
What does waxing mean?
appears to get BIGGER
appears to get SMALLER
LESS light
MORE light
According to the equation, you have to square the velocity (speed) of the object in order to calculate its kinetic energy. This simply means you multiply the number by itself. If the velocity (speed) of an object is 10, what is the result when you square the velocity?
20
100
What two factors affect an object's kinetic energy?
area and volume
mass and weight
weight and height
mass and speed
A car of mass 1000 kg is moving at a speed of 20 m/s. What is its kinetic energy?
100,000 J
200,000 J
400,000 J
800,000 J
Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?
8.5 J
45 J
7.5 J
22.5 J
