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Summer School Force/motion 2

Test Description: Summer school 2 force and motion

Instructions: Answer all questions to get your test result.

1) Which of the following has the most friction

Awax paper Bplastic wrap Csandpaper Dalumnim foil

2) The car hit the ball with different amounts of energy when released from the ramp. Which answer supports your conclusion?

Athe mass of the car Bthe time it took the car to roll down the ramp Cthe height of the ramp Dthe mass of the ball

3) When the car was rolled down the ramp from 1 book and 3 books, they had different amounts of energy. Which statement explains why?

AThe car started at different speeds BThe car had a different speed each time it hit the ball CThe ball rolled the same with both ramps DThe times it took for the car to hit the ball were different

4) which force would move a wagon

Aone student pushes forward; another student pushes sideways Bone student pushes wagon forward; another student pulls wagon forward Cone student pulls the wagon forward; the other student pushes the wagon in the opposite direction Done student pushes the wagon forward; another student pulls wagon upward

5) a gravitational force

Aforce keeps people from moving Bforce that makes forces start moving Cforce that pulls objects down Dforce that makes objects float

6) If a rolling ball is unaffected by any other force, it would

Aslow down but never stop Bnever stop Cspeed up Dslow don and stop

7) a bus sliding on ice

Afriction Bgravity Cthrust Dacceleration

8) force cannot

Achange the speed of an object Bstop an object in motion Cchange the weight of an object Dset an object in motion

9) automobile moving at a constant speed

Ano forces are acting on it Bthe forces are unbalanced Conly force is a forward direction Dthe forces are balanced

10) if a ball is rolling towards you and you kick it, the ball would

Astop Bkeep going in the same direction Cslow down Dchange directions

*select an answer for all questions

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