Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial...

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Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Transcript of Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial...

Page 1: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Warm Up

1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s.

2. Define Force.

Page 2: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Test results

Must come in to do Test corrections/make up test. No one will have their test passed back until everyone has taken it.

Page 3: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Newton’s First Law

An object’s velocity will not change unless a force acts on it.

Page 4: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

What is a force?

A force is: a Push or Pull

Page 5: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Equilibrium

An object is in Equilibrium when it’s velocity is not changing

Net Force: sum of all forces on an object

If an object is in equilibrium then: The net force on the object is zero

Page 6: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Force is measured in NEWTONS

Page 7: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Inertia: Tendency of an object to resist changes to its motion

Mass: Intrinsic characteristic of an object which defines it resistance to changes of its acceleration

Page 8: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Newton’s Second Law

F = ma Force = mass * acceleration OR m = F/a a = F/m

Page 9: Warm Up 1. Find the range of a 4 kg projectile launched at a 45 degree angle with an initial velocity of 7 m/s. 2. Define Force.

Homework

Page 144 (1, 3, 20-23)Worksheet


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