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Motion And Forces Assessment Review
Test Description: Motion and Forces
Instructions: Answer all questions to get your test result.
1) Which material should be used to build a racetrack that will allow toy cars to travel fast
A
Gravel, because friction will be high
B
Plastic, because friction will be low
C
sandpaper because friction will be low
D
Carpet, because friction will be high
2) What will happen if a magnet is placed next to a pile of steel paper clips
A
the magnet will provide an unbalanced force, pushing the paper clips away from it
B
the magnet will provide a balanced force, causing the paper clips to spin in circles
C
the magnet will provide an unbalanced force, keeping the paper clips stationery
D
the magnet will provide an unbalanced force, pulling the paper clips toward it
3) As a roller coaster car travels down a hill, which type of change in energy allows it to speed up
A
potential energy changing into kinetic energy
B
potential energy changing into heat energy
C
kinetic energy changing into heat energy
D
kinetic energy changing into potential energy
4) Which form of energy does a car's engine convert into mechanical energy?
A
light
B
chemical
C
wind
D
gravitational
5) Which type of energy is changed by plants into chemical energy?
A
thermal
B
gravitational
C
solar
D
nuclear
6) Two skaters apply a different amount of force while skating together. Which term describes the result of the combined force?
A
balanced
B
steady
C
unbalanced
D
net
7) Which direction will an object move when two different forces are applied to it?
A
in the direction of the greater force
B
West
C
in the direction of the lesser force
D
East
8) What happens when an object slows down?
A
it travels less distance
B
it changes directions
C
it moves with a constant speed
D
it speeds up
9) Which statement is true about the work done in lifting a box?
A
the energy of the box remains constant
B
energy is transferred to the lifter from the box
C
the energy of the lifter remains constant
D
energy is transferred to the box from the lifter
10) What type of energy does an object have when it is not in motion?
A
potential energy
B
mechanical energy
C
solar energy
D
kinetic energy
*select an answer for all questions
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