Mechanical work is done an object when a force displaces the object in the direction of the force or a component of the force.

True or false?

Which term defines the distance from crest to crest

Which equation correctly represents the calculation of work? Work = Magntitude x Force Work = Force x Speed Work = Force x Distance Work = Distance/Force

What did Scientists use to view stars and planets from Earth

Weather balloons appear only partially inflated when launched into the air. Why would scientists do this?

Which scenario will drain the battery in the circuit diagram fastest: three 20 W bulbs in positions one, two, and three or 80 W bulbs at positions 1 and 3 with a gap at position two? How do you know?

What scientific practice is this? 1) collecting data 2) asking a question 3) providing explanations 4) communicating results

The kinetic energy of an object depends on both the objects mass and velocity. a. True b. False

How does a walkie-talkie work and why do people still use them?

A 125-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope.

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?