Newton's Laws

What is the SI unit for force?

• Meters per second squared

• Meters

• Newtons

• Kilograms

If an object has balanced forces acting on it, what is its net force?

• 1 Newton

• 0 Newtons

• 5 Newtons

• 10 Newtons

Tags

NGSS.HS-PS2-1

What direction is considered positive in the context of force calculation?

• Left

• Right

• Up

• Down

Tags

NGSS.MS-PS2-2

What is the net force if a normal force of 3 Newtons and a gravitational force of 3 Newtons are acting on an object?

• 3 Newtons down

• 0 Newtons

• 3 Newtons up

• 6 Newtons

Tags

NGSS.MS-PS2-2

In situation B, what is the net force if a frictional force of 5 Newtons is acting to the left and no applied force is present?

• 5 Newtons left

• 0 Newtons

• 5 Newtons up

• 5 Newtons right

Tags

NGSS.MS-PS2-2

What happens to an object when the forces acting on it are unbalanced?

• It moves

• Its net force becomes zero

• It changes its shape

• It remains stationary

Tags

NGSS.MS-PS2-2

For situation C, if both applied and frictional forces are zero, what is the net force?

• 10 Newtons

• 0 Newtons

• Cannot be determined

• 5 Newtons

Tags

NGSS.MS-PS2-2

How is the net force calculated?

• By dividing the sum of all forces by the number of forces

• By multiplying all the forces

• By subtracting the smallest force from the largest

• By adding all the forces

Tags

NGSS.MS-PS2-2

What is the net force for situation D if the normal force is 40 Newtons up and the gravitational force is 25 Newtons down?

• 15 Newtons up

• 65 Newtons down

• 15 Newtons down

• 65 Newtons up

Tags

NGSS.MS-PS2-2

What is the significance of direction in the calculation of net force?

• It is crucial for understanding the vector nature of forces

• It shows the magnitude of force only

• It indicates the object's shape

• It determines the object's speed