1) In science, work is done when a force acts on an object in the ___ direction the object moves. a) perpendicular b) opposite c) same 2) Who has more power? a) row boat b) bike rider c) they are the same 3) How long does it take Sara to move a cart if she does 60 J of work and has 15 W of power? a) 75 s b) 4 s c) 900 s d) 45 s 4) In science, work is the product of a force and the _ an object moves. a) time b) distance c) force d) power 5) What is the correct formula for determining power? a) Power = Time ÷ Work b) Power = (Force)2 c) Power = Force X Distance d) Power = Work ÷ Time 6) What is the correct formula for determining work? a) Work = Force X Distance b) Work = Force X Time c) Work = Power X Distance d) Work = Power ÷ Time 7) The correct unit for work is the ___. a) Watt b) Joule c) meter d) Newton e) second 8) The correct unit for time is the ___. a) Watt b) Joule c) meter d) Newton e) second 9) The correct unit for power is the ___. a) Watt b) Joule c) meter d) Newton e) second 10) The correct unit for distance is the ___. a) Watt b) Joule c) meter d) Newton e) second 11) The correct unit for force is the ___. a) Watt b) Joule c) meter d) Newton e) second 12) Determine the amount of work done. A 600 N dog is lifted into a truck 2 m off the ground. a) 300 J b) 300 N c) 1200 N d) 1200 J 13) Determine the power. Jim mows one strip of lawn in 30 s. It took him 1500 J of work to do it. a) 50 W b) 1530 W c) 45,000 W d) 0.02 W 14) What are two (2) ways to increase power? a) decrease the amount of time b) increase the amount of time c) increase the amount of work d) decrease the amount of work 15) Power is the rate of doing __. a) nothing b) work c) force d) time

Work & Power

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?