Unit 3 ps questions well answered to pass, Exams of Nursing

Download Unit 3 ps questions well answered to pass and more Exams Nursing in PDF only on Docsity!

Unit 3 ps

Meter - correct answer Standard SI unit length Acceleration of gravity - correct answer Rate of acceleration at which gravity pulls objects to earth. Symbol is g. Is equal to about 9.8 meters per seconds squared. position-time graph - correct answer Line graph used to show the motion of an object Displacement - correct answer Measured value (always positive) from one point to another Time - correct answer the number of years, days, minutes, etc representing interval Velocity - correct answer Objects change in motion per unit time in specific direction Second - correct answer SI base unit for time distance - correct answer Measured value (always positive) from one point to another Speed - correct answer The distance an object travels per unit of time without regard to direction velocity-time graph - correct answer Graph representing acceleration Acceleration - correct answer Change in velocity per time Inertia - correct answer objects resistance to change in motion

A car travels 10 miles east in 30 minutes. What's the velocity in miles per hour - correct answer 20 miles per hour A car is traveling in a straight path due east with a velocity of 8 meters per second. In 10 second interval, how many meters will the car travel - correct answer 80 meters The graph shows the acceleration of a racehorse, taking off from a starting gate by how much did the horses speed increase between four seconds and six seconds - correct answer 27 m/s Suppose a racer finishes at 132 m race in 18 seconds. What is the average speed of the rollerblade racer

• correct answer 7.33 m/s 1st law - correct answer Objects in motion, stay in motion and objects at rest, stay at rest until a force acts on it ( intertia) 2nd law - correct answer Force= mass x acceleration (acceleration) 3rd law - correct answer For every action there is an equal and opposite reaction ( action/ reaction) Two astronauts are playing catch with a ball in space. The first astronaut throws the ball.... - correct answer The ball moves and said the astronaut A 267.5 in unbalanced force was applied to push a stuffed chair across the room, causing the acceleration of 4.2 M/S squared what is the mass of the chair? - correct answer 63.69kg Crowbar - correct answer Lever Nail/ screw - correct answer Screw Bicycle wheel - correct answer Wheel and axle

Ax splitting wood - correct answer Wedge Block and tackle - correct answer Pulley Ramp - correct answer inclined plane