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Force And Motion
Test Description: Force, Motion, Newton's Laws of Motion
Instructions: Answer all questions to get your test result.
1) Which two tools should be used together to measure speed?
A
Balance and spring scale
B
Clock and a measuring tape
C
Ruler and graduated cylinder
D
Meter stick and stopwatch
2) Which surface has the least amount of friction?
A
carpet
B
wood
C
grass
D
sand
3) A boy is pulling his little sister in a wagon. If his older brother comes along and they pull on the wagon together, how will this increase in force affect the motion of the wagon?
A
It will continue unchanged
B
It will accelerate
C
It will remain at rest
D
It will change direction
4) Two classes are playing tug-of-war. If the center of the rope is not moving, what must be true?
A
Both classes have equal mass.
B
The forces are balanced
C
One class is pulling harder than the other
D
Both classes are pulling equally.
5) A girl is riding her bike on a smooth bike path. She starts on level ground. When she gets to a hill, she has to peddle harder to go the same speed. Why does this happen?
A
The force of gravity is slowing down her bike
B
Her bike is slipping backwards down the hill.
C
There is more wind resistance on the hill.
D
The friction on a hill is more than on level ground
6) A class is testing fan-powered sailboats. If the students increase the speed of the fan blowing on the sail, what will happen to the movement of the boat?
A
It will speed up.
B
It will change direction.
C
It will travel a shorter distance.
D
It will stop.
7) A row boat is floating on the water with two passengers. The weight of the boat is pushing on the water and the water is exerting an upward force called buoyancy on the boat. Which of Newton's Law is this?
A
Law 3
B
Law 1
C
Law 2
8) What is a force?
A
speed or acceleration
B
push or pull
C
kinetic or potential energy
D
balanced or unbalanced forces
9) When objects remain in the same place it is called
A
balanced force
B
unbalanced force
C
gravity
D
friction
10) Speed can be found by calculating
A
Distance divided by Time
B
Time times Distance
C
Time divided by Distance
11) What is the force that causes everything to be pulled down towards Earth?
A
friction
B
unbalanced forces
C
balanced forces
D
gravity
12) Force is measured in
A
Inches
B
Meters
C
Feet
D
Newtons
13) How to you describe an object that increases speed and changes direction?
A
acceleration
B
density
C
balanced force
D
speed
14) Friction causes objects to
A
slow down
B
change direction
C
speed up
D
accelerates
15) If John walks 10 km in 5 minutes what is his speed?
A
2 km per hour
B
20 km per hour
C
5 km per hour
16) Mary runs 1500 meters. What does she need to know to find out her speed?
A
her time from start to finish
B
her heart rate at the finish line
C
the direction she began running
D
the number of steps she took
*select an answer for all questions
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