F=ma Hard

Acceleration is caused by a force acting on a mass.

• Newton’s first law of motion

• Newton’s second law of motion

• Newton’s third law of motion

Tags

NGSS.MS-PS2-2

The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s²? 

• 1000 ÷ 3

• 3 ÷ 1000

• 1000 x 3

Tags

NGSS.MS-PS2-2

A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. To solve this problem you must do - 

• 32 ÷ 5

• 5 ÷ 32

• 32 x 5

Tags

NGSS.MS-PS2-2

A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s². What is the mass of the skier? The answer to this question is most likely (HINT: Look at the units!!!) - 

• 66 N

• 66 m/s²

• 66 kg

Tags

NGSS.MS-PS2-2

A force of 90N is applied to each cart below, which one will accelerate the fastest?

• Cart 1

• Cart 2

• Cart 3 

• Cart 4

Tags

NGSS.MS-PS2-2

To calculate Force

• _{Force = m x a}

• Force _{= m ÷ a}

• Force _{= a ÷ m}

• Force _{= m + a}

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

To calculate a

• a = Force × m

• a = Force ÷ m

• a = Force + m

• a = m ÷ Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Mass = 4 kg and a = 0.2 ms². Calculate the force.

• 8N

• 80 N

• 2 N

• 0.8N

Tags

NGSS.MS-PS2-2

Force = 20 N and Mass = 4 kg. Calculate the acceleration.

• 80 N

• 80 ms^-2

• 5 ms^-2

• 0.2 ms^-2

Tags

NGSS.MS-PS2-2

Force = 25 N and Mass = 5 kg. Calculate the acceleration.

• 5 ms^-2

• 125 ms^-2

• 30 ms^-2

• 4 ms^-2

Tags

NGSS.MS-PS2-2