Forces Acting on a Skydiver 1

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First	First	Last	Quiz Score Total	Question 1	Image 1	1a) When a skydiver leaves the aeroplane, only the force of ............ is acting. The force will not change.	1b) Because there is a resultant force, the velocity of the skydiver ............ as they accelerate towards Earth.	1c) As the skydiver falls, they collide with air particles. This causes the force of ............ acting upwards. Scientists call this air resistance.	1d) Because this air resistance is much ............ than weight, the skydiver continues to accelerate towards the ground.	1e) As the skydiver's velocity increases, the air resistance increases. When air resistance ............ the force of weight there is no resultant force.	1f) Now the skydiver moves downwards at a constant velocity. Scientists call this ............ velocity.	1g) The skydiver now opens their parachute. ............ now massively increases. Air resistance is now much greater than weight so there is a resultant force acting upwards.	1h) This causes the skydiver to ............. (their velocity decreases).	1i) As the velocity decreases, the air resistance ............ . At some point, air resistance and weight are balanced.	1j) Now the skydiver moves downwards at a ............ velocity. This is the new (lower) terminal velocity.	Quiz Percentage Grade
ppefmh	Ed	Garstin	2/10	The forces acting on a skydiver change as the skydiver falls to Earth. Complete the sentences below by selecting the correct missing words.		decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balances	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	decelerate smaller constant air resistance increases terminal weight decreases friction balance	20%
First	First	Last	Quiz Score Total	Question 1	Image 1	1a) When a skydiver leaves the aeroplane, only the force of ............ is acting. The force will not change.	1b) Because there is a resultant force, the velocity of the skydiver ............ as they accelerate towards Earth.	1c) As the skydiver falls, they collide with air particles. This causes the force of ............ acting upwards. Scientists call this air resistance.	1d) Because this air resistance is much ............ than weight, the skydiver continues to accelerate towards the ground.	1e) As the skydiver's velocity increases, the air resistance increases. When air resistance ............ the force of weight there is no resultant force.	1f) Now the skydiver moves downwards at a constant velocity. Scientists call this ............ velocity.	1g) The skydiver now opens their parachute. ............ now massively increases. Air resistance is now much greater than weight so there is a resultant force acting upwards.	1h) This causes the skydiver to ............. (their velocity decreases).	1i) As the velocity decreases, the air resistance ............ . At some point, air resistance and weight are balanced.	1j) Now the skydiver moves downwards at a ............ velocity. This is the new (lower) terminal velocity.	Quiz Percentage Grade