Commencement Physics: Forces On A Skydiver Question Preview (ID: 60571)
Y10 Physics - Effects Of Forces On A Sky Diver.
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What term means 'increasing in speed'?
a) accelerating
b) decelerating
c) terminal velocity
d) balanced
Which term means 'decreasing in speed'?
a) decelerating
b) accelerating
c) unbalanced
d) equal
Which of the following forces pulls a skydiver DOWN?
a) air resistance
b) drag
c) gravity
d) friction
Which force pushes the skydiver's parachute UP?
a) gravity
b) air resistance
c) drag
d) friction
What is used to represent the direction of a force?
a) arrow
b) circle
c) triangle
d) straight line
If two dogs pull on a rope with the same amount of force, the forces are....
a) unbalanced
b) balanced
c) increasing
d) decreasing
Which of the following terms describes when a sky diver falls at a constant speed?
a) terminal velocity
b) acceleration
c) deceleration
d) not moving
Which of the following forces increases when you use a bigger parachute?
a) gravity
b) air resistance
c) friction
d) magnetism
Which force is greater when the sky diver first jumps out of the plane?
a) Air resistance
b) Gravity
c) Electrostatics
d) Thrust
Which variable do you CHANGE in an experiment?
a) dependent
b) independent
c) control
d) frequency
Which variable do you MEASURE in an experiment?
a) dependent
b) control
c) independent
d) apparatus
Which variable do you keep the SAME during an experiment?
a) dependent
b) independent
c) hypothesis
d) control
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