G
GetCrunkGurrl
Guest
I have been sick in the hospital and have fallen quite behind in classes and I just dont understand science all too well, Someone hellp plz?? I have a deadline and am not doing so well!
1. In a tug of war game, two teams pull the rope with equal forces in the opposite direction. Based on this balanced force, the rope:
A. will experience no change in motion.
B. will experience an accelerated change in motion.
C. will experience a change in direction.
D. will experience a decelerated change in motion.
2. A 30 lb. boy and a 50 lb. girl sit on either end of a teeter totter. The teeter totter becomes uneven with the 50 lb girl sitting close to the ground, as seen in Figure 1:
Fig. 1. Teeter totter
The teeter totter has been affected by:
A. balanced forces.
B. virtual reality forces.
C. unbalanced forces.
D. weighted forces.
3. A balanced force has __________ affect on motion. An unbalanced force has __________ affect on motion.
A. an accelerated; zero
B. zero; zero
C. zero; an accelerated
D. an accelerated; an accelerated
4. Take note of the gazelles in Figure 2:
Fig. 2: Two gazelles locking horns
As seen in Figure 2, two gazelles of the same size locking horns without moving represents __________ forces. One larger gazelle locking horns with a smaller gazelle and moving the smaller gazelle backwards represents __________ forces.
A. unbalanced; unbalanced
B. unbalanced; balanced
C. balanced; unbalanced
5. Which of the following statements is true?
A. A balanced force causes an object to accelerate.
B. A balanced force causes no effect on an object’s motion.
C. A balanced force causes an object to fall to the ground.
D. A balanced force causes the object to increase in net force
6. Which of the following statements is true?
A. An unbalanced force causes an object to accelerate.
B. An unbalanced force causes no effect on an object’s motion.
C. An unbalanced force causes an object to have a net force of zero
D. An unbalanced force causes an object to have equal forces.
7. In a tug of war, one team pulls the rope with greater force than the opposing team. Based on this unbalanced force, the rope:
A. will experience no change in motion.
B. will experience an accelerated change in motion.
C. will experience equal forces.
D. will experience a net force of zero.
8. An object that experiences equal forces and a zero net force is __________. An object that experiences unequal forces and causes an object to accelerate is __________.
A. a balanced force; an unbalanced force
B. a balanced force; a balanced force
C. an unbalanced force; an unbalanced force
D. an unbalanced force; a balanced force
9. Friction affects
A. solid objects directly touching.
B. objects moving through a gas .
C. objects moving through a liquid.
D. all of the above
10. __________ is a force that opposes the motion of objects that touch as they move past each other.
A. Gravity
B. Displacement
C. Friction
D. all of the above
11. Friction is necessary
A. to move the tires of a car.
B. for an airplane to move through the air.
C. for a person to walk down the street.
D. all of the above
12. __________ is a force that acts on objects that are not moving.
A. Sliding friction
B. Static friction
C. Fluid friction
D. Rolling friction
13. __________ is the force that moves a submarine through the water.
A. Rolling friction
B. Static friction
C. Fluid friction
D. Sliding friction
14. Rolling friction affects an object
A. as it moves through water.
B. as it slides on a surface.
C. as it rolls on a surface.
D. as it moves through the air.
15. The motion of a butterfly through the air is slowed by
A. fluid friction.
B. static friction.
C. rolling friction.
D. sliding friction.
16. __________ acts to oppose the direction an object moves..
A. Fluid friction
B. Rolling friction
C. Sliding friction
D. Static friction
17. Choose the term below that is NOT a type of universal force:
A. Electromagnetic
B. Gravitational
C. Strong nuclear
D. Friction
18. A
__________ force is associated with charged particles.
A. strong nuclear
B. gravitational
C. weak nuclear
D. electromagnetic
19. A __________ force acts to hold the neutrons and protons together within the nucleus.
A. nuclear
B. gravitational
C. electric
D. all of the above
20. Gravitational force __________ as the mass of two objects increases, and __________ as distance between the objects increases.
A. increases; increases
B. increases; decreases
C. decreases; increases
D. decreases; decreases
21. There are two high tides and two low tides per day in the Earth’s oceans. This is caused by
A. electromagnetic forc
1. In a tug of war game, two teams pull the rope with equal forces in the opposite direction. Based on this balanced force, the rope:
A. will experience no change in motion.
B. will experience an accelerated change in motion.
C. will experience a change in direction.
D. will experience a decelerated change in motion.
2. A 30 lb. boy and a 50 lb. girl sit on either end of a teeter totter. The teeter totter becomes uneven with the 50 lb girl sitting close to the ground, as seen in Figure 1:
Fig. 1. Teeter totter
The teeter totter has been affected by:
A. balanced forces.
B. virtual reality forces.
C. unbalanced forces.
D. weighted forces.
3. A balanced force has __________ affect on motion. An unbalanced force has __________ affect on motion.
A. an accelerated; zero
B. zero; zero
C. zero; an accelerated
D. an accelerated; an accelerated
4. Take note of the gazelles in Figure 2:
Fig. 2: Two gazelles locking horns
As seen in Figure 2, two gazelles of the same size locking horns without moving represents __________ forces. One larger gazelle locking horns with a smaller gazelle and moving the smaller gazelle backwards represents __________ forces.
A. unbalanced; unbalanced
B. unbalanced; balanced
C. balanced; unbalanced
5. Which of the following statements is true?
A. A balanced force causes an object to accelerate.
B. A balanced force causes no effect on an object’s motion.
C. A balanced force causes an object to fall to the ground.
D. A balanced force causes the object to increase in net force
6. Which of the following statements is true?
A. An unbalanced force causes an object to accelerate.
B. An unbalanced force causes no effect on an object’s motion.
C. An unbalanced force causes an object to have a net force of zero
D. An unbalanced force causes an object to have equal forces.
7. In a tug of war, one team pulls the rope with greater force than the opposing team. Based on this unbalanced force, the rope:
A. will experience no change in motion.
B. will experience an accelerated change in motion.
C. will experience equal forces.
D. will experience a net force of zero.
8. An object that experiences equal forces and a zero net force is __________. An object that experiences unequal forces and causes an object to accelerate is __________.
A. a balanced force; an unbalanced force
B. a balanced force; a balanced force
C. an unbalanced force; an unbalanced force
D. an unbalanced force; a balanced force
9. Friction affects
A. solid objects directly touching.
B. objects moving through a gas .
C. objects moving through a liquid.
D. all of the above
10. __________ is a force that opposes the motion of objects that touch as they move past each other.
A. Gravity
B. Displacement
C. Friction
D. all of the above
11. Friction is necessary
A. to move the tires of a car.
B. for an airplane to move through the air.
C. for a person to walk down the street.
D. all of the above
12. __________ is a force that acts on objects that are not moving.
A. Sliding friction
B. Static friction
C. Fluid friction
D. Rolling friction
13. __________ is the force that moves a submarine through the water.
A. Rolling friction
B. Static friction
C. Fluid friction
D. Sliding friction
14. Rolling friction affects an object
A. as it moves through water.
B. as it slides on a surface.
C. as it rolls on a surface.
D. as it moves through the air.
15. The motion of a butterfly through the air is slowed by
A. fluid friction.
B. static friction.
C. rolling friction.
D. sliding friction.
16. __________ acts to oppose the direction an object moves..
A. Fluid friction
B. Rolling friction
C. Sliding friction
D. Static friction
17. Choose the term below that is NOT a type of universal force:
A. Electromagnetic
B. Gravitational
C. Strong nuclear
D. Friction
18. A
__________ force is associated with charged particles. A. strong nuclear
B. gravitational
C. weak nuclear
D. electromagnetic
19. A
__________ force acts to hold the neutrons and protons together within the nucleus. A. nuclear
B. gravitational
C. electric
D. all of the above
20. Gravitational force __________ as the mass of two objects increases, and __________ as distance between the objects increases.
A. increases; increases
B. increases; decreases
C. decreases; increases
D. decreases; decreases
21. There are two high tides and two low tides per day in the Earth’s oceans. This is caused by
A. electromagnetic forc