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Unit 5 Review

Unit 5 Force and Motion

QuestionAnswer
What is the formula for speed? distance/time
Two teams are playing tug of war. Team A is pulling to the right with 52 N. Team B is pulling to the left with 49 N. Which team will win? What is the net force? 3N to the right
A car travels 275 miles in 5 hours. What is the speed? 55 mph
What is an object’s speed with direction? velocity
A bicycle travels northwest 50 miles in 2 hours. What is the bicycle’s velocity? 25 mph NW
Give three ways an object’s acceleration can change. speed up, slow down, change directions
What are unequal forces in opposite directions? unbalanced forces
What are equal forces in opposite directions? balanced forces
A toy slides across the carpet and gradually stops. What forces are acting on the toy? friction and gravity
What energy transformation occurs in photosynthesis? radiant to chemical
What energy transformation occurs in a flashlight? chemical to electrical to light
What occurs when two surfaces rub together? friction
How do you calculate net force if the forces are opposite? subtract
How do you calculate net force if the forces are going the same direction? add
Created by: lschramme