Newton's first law Flashcards

1
Q

Forces can make objects do three things what are they

A

Change speed
Change direction
Change shape

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2
Q

What does Newtons 1st law state

A

An object will not change its motion unless acted on by an external unbalanced force

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3
Q

What is intertia

A

Inertia is the tendency of an object to resist changes to its motion

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4
Q

Which has a larger inertia A bowling ball or a netball and why

A

A bowling ball because the bowling ball has more mass and it takes a larger force to move the bowling ball

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5
Q

A soccer ball is on the ground not moving and is then kicked by a player, how does newtons first law apply in this situation

A

The soccer ball is at rest, The player is applying an external unbalanced force to the ball, the force applied to the ball will cause it to move forward

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6
Q

A soccer ball is moving through the air and stops when it hits the net at the back of the goal, how does newtons first law apply to this situation

A

The soccer ball is moving, The net is applying an external unbalanced force to the ball, the force applied to the ball will cause it to slow down and stop

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