1) pushes and ...... a) pulls b) gravity c) force 2) what is mass measured in a) force b) newtons c) grammes 3) what are forces measured using a) weightmeter b) frictionmeter c) forcemeter 4) when two surfaces rub against one another what is it a) force b) friction c) gravity 5) when things move in the air it is sometimes called a) air resistance b) magnet c) force 6) Forces can affect objects by changing what? a) the force of the object b) the weight of the object c) the speed of the object 7) What is the unit for force a) Newtons b) Grammes c) Kilograms 8) If the forces are equal and opposite what is the object doing? a) Accelerating b) Stationary or moving at a constant speed c) Decelerating 9) when an object is unbalanced what is it doing a) Changing speed b) Going at a constant speed c) Stationary

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