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Force And Motion
Test Description: Force, Motion and Speed
Instructions: Answer all questions to get your test result.
1) A student throws a water balloon at a friend. If an unbalanced force does not act on the balloon, the balloon....
A
climbs higher in the air
B
travels in a straight line
C
falls to the ground
D
travels faster
2) When students are playing tug-of-war, why does one team usually pull the rope out of the other team's hand?
A
the winning team exhibits better sportsmanship.
B
the pushing forces of both teams are unequal.
C
the pulling force of the winning team is stronger than the pulling force of the losing team.
D
The pulling forces of both teams are equal.
3) Which statement best describes a condition that would move a car forward on the road?
A
the pulling force is greater than the force pushing the car.
B
the force of the engine is less than the force of friction.
C
the pushing force is less than the force pulling the car.
D
the force of the engine is greater than the force of friction.
4) If a coyote runs 42 meters in 6 seconds, what is its average speed?
A
7 m/s
B
48 m/s
C
6 m/s
D
252 m/s
5) Which of the following best represents potential energy?
A
air leaking from a flat tire.
B
a marble sitting at the top of a ramp.
C
water flowing through a hose.
D
heat given off by a forest fire.
6) Which statement describes why a ball changes direction when it is hit with a bat?
A
the bat exerts a balanced force on the ball.
B
the bat exerts an unbalanced force on the ball.
C
the ball bounces off the bat.
D
the ball slows the bat down.
7) As a boulder rolls down the side of a mountain:
A
its energy is transformed into electrical energy.
B
the potential energy is converted to kinetic energy as it rolls faster and faster.
C
it loses all of its energy and only moves because of gravity.
D
Some of its kinetic energy is converted to potential energy.
8) When an object is in motion, it is changing which of the following?
A
any of the above
B
its position
C
its location
D
its direction
9) If a person wants to know the speed of an object, what information could be used?
A
the distance the object traveled in a certain amount of time.
B
any of the above.
C
the distance an object moved after changind its direction in a certain amount of time.
D
the distance the object moved from its original position in a certain amount of time.
10) What happens to the potential energy of a roller coaster car as it climbs to the top of a hill?
A
the kinetic energy increases.
B
the potential energy decreases.
C
the potential energy and kinetic energy stay the same.
D
the potential energy increases.
*select an answer for all questions
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