Forces in Balance

A quantity with a magnitude and direction

• Scalar

• Vector

A quantity with only magnitude.

• Scalar

• Vector

When two objects interact they exert an equal and opposite force on each other is...

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

If the two forces acting on an object are balanced it will remain stationary or continue moving at a constant velocity is...

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

Name two quantities that are vectors.

• force and speed

• speed and acceleration

• force and velocity

• mass and weight

What are balanced forces?

• forces of the same size, in opposite directions
• the same size in the same direction
• forces in opposite directions
• forces at right angles to each other

What do we call the forwards force produced by an aeroplane's engine or propeller?

• thrust
• friction
• weight
• gravity

What is the force that pulls us towards the Earth?

• gravity
• weight
• friction
• mass

What is 'drag' another name for?

• upthrust

• air resistance

• Gravity

• weight

What is the name for a single force on an object with the same effect as all the forces combined?

• big
• total
• resultant
• sum