Resultant Forces

Front

What is the force that pulls us towards the Earth? Options: gravity, weight, friction, mass

Back

gravity

Front

What is 'drag' another name for?

Back

air resistance

Front

Name two quantities that are vectors.

Back

force and acceleration

Front

What are balanced forces?

Back

forces of the same size, in opposite directions

Front

What do we call the forwards force produced by an aeroplane's engine or propeller? Options: thrust, friction, weight, gravity

Back

thrust

Front

What word describes both the speed and direction of movement of an object?

Back

velocity

Front

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

Back

resultant

Front

Two forces on an object are in the same direction. How do we calculate the resultant force? Options: take away one from the other, multiply them, divide one by the other, add them together

Back

add them together

Front

Two forces on an object are in opposite directions. How do we calculate the resultant force?

Back

Find the difference between them.

Front

Is the car? Options: Stationary, Moving at constant speed, Accelerating, Decelerating

Back

Stationary