Chapter 11, Part 1 Question Preview (ID: 45339)
Part 1.
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Acceleration is a change in ____________________ .
a) speed
b) velocity
c) displacement
d) position
The upward force on an object falling through the air is _____________________ .
a) air resistance
b) inertia
c) gravity
d) terminal velocity
With action-reaction forces, ___________________________ .
a) the action is created first
b) the reaction force is created first
c) the forces are created at the same time
d) both forces already existed
According to Newton's second law of motion, ____________________ .
a) F = mv
b) F p m/a
c) a = m/F
d) F = ma
The force you have to overcome to start an object moving is ____________________
a) rolling friction
b) static friction
c) sliding friction
d) air resistance
Acceleration involves a change in __________________________ .
a) time
b) direction
c) speed
d) both b and c
The statement every action, there is an equal but opposite reaction is a statement of ___________________ .
a) the law of conservation of matter
b) Newton' s first law
c) Newton's second law
d) Newton's third law
Speed is the rate of change to _________________ .
a) velocity
b) time
c) direction
d) distance
Whenever a body is in motion, there is always __________________ to oppose the motion.
a) friction
b) inertia
c) gravity
d) acceleration
Forces that are equal in size but opposite in direction are ________________.
a) balanced forces
b) frictional forces
c) inertial forces
d) net forces
When you graph the motion of an object, you put _____________ on the horizontal axis and __________ on the vertical axis.
a) speed, time
b) distance, time
c) time, speed
d) time, distance
A 3,000-N force gives an object an acceleration of 15 m/s2. the mass of the object is _____________________.
a) 45,000 kg
b) 1,500 kg
c) 200 kg
d) 15 kg
The distance traveled divided by the time taken to travel the distance is ______________________.
a) average speed
b) mass
c) momentum
d) speed
The relationship among force, mass, and acceleration is stated in ____________________.
a) the law of the conservation of momentum
b) Newton's first law of motion
c) Newton's second law of motion
d) Newton's third law of motion
Which of the following factors does NOT explain why carbon can form so many compounds?
a) Carbon can bond in chains and rings.
b) The same atoms can be grouped in different ways, forming isomers
c) Carbon can form four single bonds.
d) Carbon has six protons in its nucleus.
When a toy truck collides into a toy car, the momentum of _________________ is the same before and after the collision.
a) the truck
b) the car
c) the truck times the car
d) the truck plus the car
On a speed-time graph, a horizontal line shows the change in speed in speed is _______________________.
a) -10
b) 10
c) 1
d) 0
Inertia ____________________.
a) depends on direction
b) depends on momentum
c) resists a change in motion of an object
d) both a and b
When both -NH2 and COOH replace hydrogen atoms on the same carbon atom, a (n) is formed.
a) amine
b) amino acid
c) carboxylic acid
d) carbohydrate
When a diver jumps off a diving board, gravity pulls him or her down to the water. What is the reaction force to Earth's gravity?
a) The diver's legs push against the board.
b) Friction between the diver and water slows the diver.
c) Air resistance slows the diver.
d) The diver pulls Earth up.
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