« previous next »

Author Question: The force of gravity on a bowling ball rolling along a horizontal surface doesn't change its speed ... (Read 112 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 29, 2018
The force of gravity on a bowling ball rolling along a horizontal surface doesn't change its speed because the force is
 
  A) small compared to the ball's weight.
  B) canceled by the normal force.
  C) perpendicular to its direction of motion.
  D) canceled by friction.

Question 2

What holds Earth satellites up so they don't crash into Earth?
 
  A) gravity
  B) centripetal force
  C) centrifugal force
  D) the absence of air resistance
  E) nothing, they continually fall fast enough around Earth not to crash


mjenn52

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Gravity Works at All Scales Gravity Works at All Scales
The Moon’s Interior and Its Effects on the Moon’s Surface The Moon’s Interior and Its Effects on the Moon’s Surface
Surface Features on Europa Surface Features on Europa
The Spectra of Stars with Different Surface Temperatures. The Spectra of Stars with Different Surface Temperatures.
How to find the volume and surface area of any triangular prism How to find the volume and surface area of any triangular prism
Gravity on Earth Vs. Gravity in Bed Gravity on Earth Vs. Gravity in Bed
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library