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Forces – week 13
                                    Friction and Gravity Science Test



                                            part  2









            Be an overcomer!




            What would you use to overcome forces in these situations? Choose pulley,  lever, rollers,
            gear,




               1.  You need to shift a heavy freezer along a rough path.

                   _______________________________



               2.  You need to lift a heavy load. You have rope and a wheel.

                   _______________________________



               3.  You need to lift a different heavy load. You have a plank and a block


                   _______________________________


               4.  You need make one wheel turn many times for just one turn of yours

                   _______________________________


               5.  What  effect does a pulley  have?  To change the d______________ of a force.













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