2. Estimate the magnitude of the electric field due to the proton in a hydrogen atom
at distance of 5.29 x 10^-11, the expected position of the electron in the atom. 10^12
N/C
3. Can the terminal voltage exceed the emf? YES, IF THE CURRENT IN THE BATTERY IS
ZERO
4. Which of the following statements is true for both series and parallel DC circuit?
POWERS ARE ADDITIVE
5. It is said that as a battery ages, its internal resistance increases. How would this
affect the battery's ability to deliver energy to the lead resistor. Which of the following
is correct? AS THE INTERNAL RESISTANCE INCREASES, THE CURRENT DECREASES, SO THE
POWER DELIVERED TO THE LOAD RESISTOR DECREASES
6. What prevents gravity from pulling you through the ground to the center of Earth?
ELECTRONS ON THE GROUND SORCE AND THE SURFACE OF YOUR TEST REPEL ONE
ANOTHER
7. It is the rate at which energy is transferred into or out of a system or the rate at
which energy is converted from one form to another within the system. POWER
8. A point of a body or a system of particles which mover as if the total mass of the
body of the system of particles were concentrated there and all the applied forces
were acting at that point is called as_____. CENTER OF MASS
9. If the network done by external forces on a particle is zero, which of the following
statements about the particle must be true. ITS SPEED IS UNCHANGED
10. A system in which even energy is not allowed to cross the boundary is called ____.
CLOSED SYSTEM
11. The first law of thermodynamics is based on which of the following principles?
CONSERVATION OF ENERGY
12. It is most often a single particle collection of particles, or a region of space, and
may vary in size and shape. SYSTEM
13. An athlete jumping vertically on a trampoline leaves the surface with a velocity of
B.5 m/s upward. What maximum height does she reach? 3.7 M
14. It is the amount of energy transferred to or from the system by an external force.
WORK
15. A metal block sits on top of a floating wooden block If the metal block is
suspended from the bottom of the wooden block, what happens to the volume of
the wooden block that is submerged in the water? THE VOLUME DECREASES
16. If a material is heated and annealed, then its elasticity is ____. DECREASED
17. The type of energy possessed by a simple pendulum, when it is at the mean
position is ________. POTENTIAL ENERGY + KINETIC ENERGY
18. The statement: a change in the pressure applied to a fluid is transmitted
undiminished to every point of the fluid and to the walls of the container is known as
_______. PASCAL’S LAW
19. The polar diameter of the Earth is slightly less than the equatorial diameter. How
would the moment of inertia of the Earth about its axis of rotation change if some
mass from near the equator were removed and transferred to the polar regions to
make the Earth a perfect sphere? THE MOMENT OF INERTIA WOULD DECREASE
20. In an experiment to determine the Young's modulus of the material of a wire, the
length of the wire and the suspended mass are doubled. Then the Young's modulus
of the wire ___________. REMAINS UNCHANGED
21. Which one of following statements related to center of gravity is incorrect? THE
CENTER OF GRAVITY ALWAYS LIES INSIDE OBJECT
22. Refers to the condition of a body whose velocity is constant in magnitude and
direction. EQUILIBRIUM (di daw sure)
23. A body in equilibrium does not possess any ________. ACCELERATION
24. The statement: The magnitude of the buoyant force on an object always equals
the weight of the fluid displaced by the object , is known as ________. ARCHIMEDES’
PRINCIPLE
at distance of 5.29 x 10^-11, the expected position of the electron in the atom. 10^12
N/C
3. Can the terminal voltage exceed the emf? YES, IF THE CURRENT IN THE BATTERY IS
ZERO
4. Which of the following statements is true for both series and parallel DC circuit?
POWERS ARE ADDITIVE
5. It is said that as a battery ages, its internal resistance increases. How would this
affect the battery's ability to deliver energy to the lead resistor. Which of the following
is correct? AS THE INTERNAL RESISTANCE INCREASES, THE CURRENT DECREASES, SO THE
POWER DELIVERED TO THE LOAD RESISTOR DECREASES
6. What prevents gravity from pulling you through the ground to the center of Earth?
ELECTRONS ON THE GROUND SORCE AND THE SURFACE OF YOUR TEST REPEL ONE
ANOTHER
7. It is the rate at which energy is transferred into or out of a system or the rate at
which energy is converted from one form to another within the system. POWER
8. A point of a body or a system of particles which mover as if the total mass of the
body of the system of particles were concentrated there and all the applied forces
were acting at that point is called as_____. CENTER OF MASS
9. If the network done by external forces on a particle is zero, which of the following
statements about the particle must be true. ITS SPEED IS UNCHANGED
10. A system in which even energy is not allowed to cross the boundary is called ____.
CLOSED SYSTEM
11. The first law of thermodynamics is based on which of the following principles?
CONSERVATION OF ENERGY
12. It is most often a single particle collection of particles, or a region of space, and
may vary in size and shape. SYSTEM
13. An athlete jumping vertically on a trampoline leaves the surface with a velocity of
B.5 m/s upward. What maximum height does she reach? 3.7 M
14. It is the amount of energy transferred to or from the system by an external force.
WORK
15. A metal block sits on top of a floating wooden block If the metal block is
suspended from the bottom of the wooden block, what happens to the volume of
the wooden block that is submerged in the water? THE VOLUME DECREASES
16. If a material is heated and annealed, then its elasticity is ____. DECREASED
17. The type of energy possessed by a simple pendulum, when it is at the mean
position is ________. POTENTIAL ENERGY + KINETIC ENERGY
18. The statement: a change in the pressure applied to a fluid is transmitted
undiminished to every point of the fluid and to the walls of the container is known as
_______. PASCAL’S LAW
19. The polar diameter of the Earth is slightly less than the equatorial diameter. How
would the moment of inertia of the Earth about its axis of rotation change if some
mass from near the equator were removed and transferred to the polar regions to
make the Earth a perfect sphere? THE MOMENT OF INERTIA WOULD DECREASE
20. In an experiment to determine the Young's modulus of the material of a wire, the
length of the wire and the suspended mass are doubled. Then the Young's modulus
of the wire ___________. REMAINS UNCHANGED
21. Which one of following statements related to center of gravity is incorrect? THE
CENTER OF GRAVITY ALWAYS LIES INSIDE OBJECT
22. Refers to the condition of a body whose velocity is constant in magnitude and
direction. EQUILIBRIUM (di daw sure)
23. A body in equilibrium does not possess any ________. ACCELERATION
24. The statement: The magnitude of the buoyant force on an object always equals
the weight of the fluid displaced by the object , is known as ________. ARCHIMEDES’
PRINCIPLE
