Resultant Forces

What is the force that pulls us towards the Earth?

• gravity
• weight
• friction
• mass

Tags

NGSS.MS-PS2-4

What is 'drag' another name for?

• dressing up
• air resistance
• friction
• weight

Name two quantities that are vectors.

• force and speed
• speed and acceleration
• force and acceleration
• mass and weight

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

• speed
• acceleration
• displacement
• velocity

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

• big
• total
• resultant
• sum

Tags

NGSS.MS-PS2-2

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

• take away one from the other
• multiply them
• divide one by the other
• add them together

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

• divide one by the other
• multiply them
• find the difference between them
• add them together

Is the car

• Stationary
• Moving at constant speed
• Accelerating
• Decelerating

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2