Metre Kilogram Newton Second

Learning Objective: 1.2 Understanding the measurement of force

Learning Outcomes: State the unit of force. Explain how a spring balance works. Measure the magnitude of force.

1. Underline the correct S.I unit for Force?

2. Underline the correct answers below to explain how a spring balance works.

The (greater / smaller) the gravitational force, the (longer / shorter) the spring is

stretched or compressed.

3. The diagram below shows an activity to measure the magnitude of a force.

.

Record the readings of the spring balance X and Y in the table below based on the diagram above.

Readings of the spring balance

Magnitude of force (N)

X

Y

Metre Kilogram Newton Second

Learning Objective: 1.2 Understanding the measurement of force

Answer scheme

1. Underline the correct S.I unit for Force?

2. Underline the correct answers to explain how a spring balance works.

The (greater / smaller) the gravitational force, the (longer / shorter) the spring is

stretched or compressed.

3. The diagram below shows an activity to measure the magnitude of a force.

.

Record the readings of the spring balance X and Y in the table below based on the diagram above.

Readings of the spring balance

Magnitude of force (N)

X 8.5N

Y 5.5N