0
3.
Using lubricants on engine parts is an example of reducing
A) force.
B) friction.
C) acceleration.
D) motion.
4.
Force is a quantity made up of
A) weight and speed.
B) magnitude and direction.
C) time and acceleration.
D) mass and velocity.
5.
The force of gravity, the electromagnetic force, the strong nuclear force, and the weak nuclear force are considered
A) centripetal forces.
B) frames of reference.
C) resultant forces.
D) fundamental forces.
6.
Which of the following statements is based on Newton's First Law?
A) A Basketball will bounce back up from the floor if it is dropped.
B) A Baseball will accelerate downward when it is thrown.
C) A Bowling ball will continue to roll until some force acts on it.
D) A golf ball will fall at the same rate as a football.
7.
Which of the following has the most inertia?
A) a piece of toast
B) a refrigerator
C) a teapot
D) a blanket
8.
Basically, what does Newton's First Law state?
A) Objects with mass tend to attract one another.
B) The unit of force is a Newton.
C) Velocity is a change in distance over time.
D) Objects will not start or stop moving without a force.
9.
Which of the following is a velocity?
A) 45 mph east
B) 23 km/h
C) 6 m/s2
D) 17 N
10.
A moving object that has a lot of inertia will _____.
A) be easy to stop
B) want to move in a circle
C) be difficult to stop
D) not be affected by gravity
11.
Nathan is riding in a roller coaster. As it goes down a drop, it increases its speed from 20 mph to 70 mph. The whole drop takes 5 seconds.
In this scenario, if you are solving for acceleration, what is the initial velocity?
A) 70 mph
B) 20 mph
C) 50 mph
D) 100 m/sec2
12.
What does it mean if an object has negative acceleration?
A) The acceleration is too small to measure.
B) The object is speeding up.
C) The acceleration is in the opposite direction of the velocity.
D) The acceleration is at a right angle to the velocity.
Wiki User
∙ 13y ago
Anonymous
FRICTION
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Some ways to reduce friction are by using or applying what?
There are a few ways to reduce friction. For example one can apply water or oil to the surfaces that are rubbing together.
What ways can you do to minimize friction?
The most common method is using lubricants like vegetable oil, nonstick spray or Vaseline.
What are different ways of reducing friction?
It depends on what you are referring to. Generally some ways of reducing friction are by using smoother surfaces, using fluids with lower viscosities, using grease or any lubricant, using rollers/wheels, using ball bearings, and with objects like cars and planes- these are usually made with streamlined shapes.
Using a wheelbarrow can make it easier to lift a heavy object by?
Yes it does make it easier by using a fulcrum Yes it does make it easier by using a fulcrum
What is making it easier to lift the load?
The mechanical advantage of the block and pulley you are using, or the engine of the fork lift truck if that is what you are using.
Using lubricants on engine parts is an example of reducing what?
Friction
What kind of friction can help reduce friction?
I never heard of friction reducing friction. You can reduce friction by using lubricants, as well as using wheels (as in ball bearings).
How long should you warm up 1980 truck engine?
When you use petroleum based lubricants and the weather's temperature is below freezing, it could take a while. Using synthetic in the engine and transmission would reduce this significantly as well as reducing the fuel to do it. Sixty percent of the wear in an engine is caused in the first minute and a half, meaning that synthetic engine oil would reduce this wear to a degree that it's life would extended. In other words, operation and maintenance is reduced with synthetic lubricants. Equipment owners who use synthetic hydraulic oils love it because they experience reduced maintenance, start-up time and operation expenses.
What are the implications of using the incorrect transmission lubricants?
Wearing and deterioration of the gears in the transmission.
Some ways to reduce friction are by using or applying what?
There are a few ways to reduce friction. For example one can apply water or oil to the surfaces that are rubbing together.
How does reducing frictioninvolving movement apply to nursing?
If you are talking about nurse asst. then, reducing the friction on the patient while pulling them up in bed would help to prevent bed sores. For example: Using 2 people instead of 1, and using a pad to pull them up. Also,reducing or eliminating any other friction, or pressure, especially on the bony areas that lie on the bed. For example, floating the heels.
Would using water instead of coolant cause jeep cherokee's engine to over heat?
No, it would not. Because the system is pressurized, the water would not evaporate as readily, and, even if it did, there is nowhere for it to escape to. However, using water instead of coolant is not recommended because in coolants there are many additives for things like anti-rust, anti-corrosion, and lubricants for the water pump and seals. Using the antifreeze raises the temperature at which the mixture would boil, reducing the chance of a boil over especially in warm climates.
Types of engine according to fuel used?
all engine using gasoline (whether regular or premium) as fuel is called gasoline engine. motorcycle engine. generetors, buses. are example of gasoline engine
Can you give an example of a sentence using the word alters?
The new fuel mixture alters the engine performance
What ways can you do to minimize friction?
The most common method is using lubricants like vegetable oil, nonstick spray or Vaseline.
Which would be least helpful in reducing indoor?
Using pesticides
How do you conserve marine wealth?
by not using them frequently , if not possible reducing the usage of it.
