Imagine riding a single-speed bicycle. why do you have to push harders on the pedals to start the bicycle moving than to keep it moving at constant velocity?

What determiners the size if gravitational force?

What is the mass of a crate if a net force of 12 N gives the crate an acceleration of 0.20 m/s2? 2.4 kg 6 kg 12.2 kg 60 kg

A yoyo is hanging motionless from a string. Identify and describe the forces exerted on the string.

The diameter of a cylindrical construction pipe is 4ft. if the pipe is 20ft long, what is its volume

Today earths magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of earth magnetic field at its surface is 0.5 gauss today, what will it be 100 years from now?

Will you die if you eat wax?

Which method is used to calculate the slope on a distance time graph

Lexy throws a dart with an initial velocity of 25m/a at an angle of 60 degrees relative to the ground. What is the approximate vertical component of the i ritual velocity?

True or false electronic machines with no moving parts experience friction and get hot because electricity is moving through the wires

I'm having trouble figuring out how to study for my science test, it's based off of everything we've learned but I'm afraid there's some things I misunderstood during the year that will effect me on the test, and suggestions?!!