Laws of Motion Again

What is the first law of Motion

• Object at rest, remains at rest

• Force = mass * acceleration

• For every force, there is an equal and opposite force

What is the Second law of Motion

• Object at rest, remains at rest

• For every force, there is an equal and opposite force

• Force = mass * acceleration

What is the Third law of Motion

• Object at rest, remains at rest

• Force = mass * acceleration

• For every force, there is an equal and opposite force

What is Inertia?

• The tendency of an object to remain in motion

• The tendency of an object to remain at rest

Your car is going at 25 km/hr.

What speed are you going at?

• 25 km/hr

• 0 km/hr

• 50 km/hr

• -50 km/hr

What is momentum?

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OFF

What is impulse?

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OFF

You have an acceleration of 2 m/s² and 1000 kg of mass.

What is the force?

• 2000 Newtons

• 200 newtons

• 1000 newtons

• 100 newtons

You have a velocity of 5 m/s and a force of 50 Newtons

What is the momemtum?

• 25 Kg*m/s

• 250 Kg*m/s

• 50 Kg*m/s

• 500 Kg*m/s

Time interval= 4 seconds

Force applied = 25 newtons

What is the impulse

• 10 N-s

• 100 N-s

• 25 N-s

• 50 N-s