Resistance

The larger the surface area of the moving object, the ___________ air resistance there is.

• Less

• More

• Longer

• Quicker

If you jump out of an airplane, which two forces are acting on you?

• Gravity and friction

• Force and gravity

• Gravity and Air Resistance

Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.

• 
• 
• 
• All will have equal air resistance force.

The upward force which is exerted against a falling object is

• gravity

• terminal velocity

• air resistance

• intertia

Complete the sentence.

It is not the difference in gravity that causes objects to fall at different speeds, it’s the difference in the amount of__________________.

• Gravity

• Mass

• Air resistance

Tags

NGSS.MS-PS2-4

________ acts to slow the rate at which objects fall.

• Thrust

• Barometer

• Air Resistance

• Gravity

SI unit of resistance is

• ampere

• metre

• ohm

• volt

What is the SI unit of electrical resistance?

• Ampere

• Ohm

• Volt

• Watt

Which of the following materials is considered a good conductor of electricity, thus having low resistance?

• Copper

• Rubber

• Glass

• Wood

In a series circuit, how does the total resistance compare to the individual resistances?

• It is the sum of all individual resistances

• It is the average of all individual resistances

• It is the product of all individual resistances

• It is the reciprocal of the sum of reciprocals of individual resistances