Commencement Physics: Forces On A Skydiver Question Preview (ID: 60571)


Y10 Physics - Effects Of Forces On A Sky Diver. TEACHERS: click here for quick copy question ID numbers.

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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