By increasing the number of fire extinguisher the speed increases and distance decreases, True , false , The force that found between the tires of the car and the road is gravity , True , false , Force is push or pull that cause change in position of objects , True , False , Motion is change in object`s position related to fixed point  , True , false , Friction is a force that pull objects toward the surface of the ground , true , false , Scientists install parachutes in shockwave to.............................., increase its speed , make it faster than the airplane , slowdown the speed until it stops , .......... is moving objects toward us , pushing force , pulling force , gravity , force that cause move to objects , Balanced force , unbalanced force , friction , Force that slowdown or stop objects , Gravity , Motion , Friction ,  If we throw a pen in the air it falls on the ground due to the force of friction , true , false , It is any change in object`s position related to fixed point , Motion , Force , Gravity , To stop any object we need the same force in same direction , true , false , The force between moving car and the air is ...................., Gravity , Friction , Pushing , when we push a ball and the ball moves it means that we do ........, Force , Energy , work , The force that exerted when objects rub against each other , Gravity , Force , Friction .

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