1) Who is winning this tug of war? a) Red b) Blue c) No one 2) Is this rocket a) Slowing down b) Staying at constant speed c) Speeding up 3) Is this plane a) Speeding up b) Slowing down c) Climbing higher d) Getting Lower e) None of the above 4) Is this block moving a) Left b) Right c) Up d) Down 5) The stone used in curling travels further on ice than it would on grass because a) The man pushes it harder b) The stone is heavy c) There is less friction on ice d) There is less friction on grass 6) Which way will this block move? a) Up b) Down c) Left d) Right 7) Is this skydiver a) Speeding up b) Slowing down c) Travelling at constant speed 8) The force acting against the skydiver is a) Gravity b) Weight c) Air resistance 9) When the air resistance equals his weight he will a) Stay at the same speed b) Slow down c) Speed up d) Stop

Forces

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?