1. Any substance that has mass and takes up space is
called
A) matter.
C) force
B) energy.
D) work
2. When electrical energy is converted into any other
form of energy, the total amount of energy
A)
B)
C)
D)
increases.
decreases.
remains the same.
cannot be determined.
6. As a pendulum moves from the bottom of its swing to
the top of its swing, the
A)
B)
C)
D)
kinetic energy of the pendulum increases
kinetic energy of the pendulum remains the same
potential energy of the pendulum decreases
potential energy of the pendulum increases
7. A car travels at 84 kilometers per hour for 7 hours.
How far did it travel?
A) 12 km
C) 91 km
B) 84 km
D) 588 km
8. A cart travels a distance of 30 meters in 15 seconds.
The average speed of the cart is
A) 0.20 m/s
C) 0.50 m/s
3. As the pendulum swings from position A to position
B as shown in the diagram above, which occurs?
A) The kinetic energy decrease is more than the
potential energy increase.
B) The kinetic energy increase is more than the
potential energy decrease.
C) The kinetic energy decrease is equal to the
potential energy increase.
D) The kinetic energy increase is equal to the
potential energy decrease.
4. whether the following examples have kinetic energy,
potential energy, both or neither.
A stretched rubber band.
A) kinetic energy
C) both
B) potential energy
D) neither
5. Which statement best describes the energy changes
that occur while a child is riding on a sled down a
steep, snow-covered hill?
A) Kinetic energy decreases and potential energy
increases.
B) Kinetic energy increases and potential energy
decreases.
C) Both potential energy and kinetic energy
decrease.
D) Both potential energy and kinetic energy
increase.
B) 2.0 m/s
D) 5.0 m/s
9. The average speed of a plane was 500 kilometers per
hour. How long did it take the plane to travel 100
kilometers?
A) 0.2 hour
C) 0.7 hour
B) 0.5 hour
D) 5 hours
10. If the force used to push a shopping cart increases,
the cart's acceleration will
A) decrease
C) remain the same
B) increase
11. A runner changing speed from 3 meters per second
to 5 meters per second is an example of
A)
B)
C)
D)
acceleration.
velocity.
changing direction.
constant speed.
12. An object is uniformly accelerated from rest to a
speed of 25 meters per second in 10 seconds. The
acceleration of the object is
A) 1.0 m/s 2
C) 1.5 m/s 2
B) 2.0 m/s 2
D) 2.5 m/s 2
13. The diagram below shows a stationary cart on a
frictionless surface. Two unequal opposing forces
are about to be applied to the cart.
If the unequal opposing forces are applied to the cart
at the same time, what will occur?
A) The cart will move to the left.
B) The cart will move to the right.
C) The cart will alternate between moving left and
right.
D) The cart will remain stationary.
14. A "push or pull" best describes the term
A) work
C) potential energy
B) momentum
D) force
15. Base your answer to the following question on the
diagram below and on your knowledge of science.
The diagram represents a person pushing a 50-kg
box up a ramp.
Which force will decrease if the surface of the ramp
is made smoother?
A) gravity
C) friction
B) magnetism
D) electricity
16. Base your answer to the following question on the diagram below and on your knowledge of science.
The diagram represents a cart with a mass of 10 kilograms (kg) being pulled to the right with a force
of 20 newtons (N).
Identify the force between the wheels of the cart and the ground surface that opposes forward motion
of the cart.
17. The force of gravitational attraction between two
objects depends on the distance between the objects
and their
A) buoyancies
C) masses
B) temperatures
D) shapes
20. Base your answer to the following question on the
diagram below which represents a simple pendulum
with a 2.0-kilogram bob and a length of 10. meters.
The pendulum is released from rest at position 1 and
swings without friction through position 4.
18. The gravitational force between the Moon and Earth
depends on
A)
B)
C)
D)
their masses, only
their diameters, only
their masses and how far apart they are
their diameters and how far apart they are
19. Which two factors determine the gravitational
attraction between two objects?
A)
B)
C)
D)
time and temperature
shape and orbital speed
color and hardness
mass and distance apart
At which position does the bob have its maximum
kinetic energy?
A) 1
B) 2
C) 3
D) 4