Resultant force P150

Balanced forces result in ....

• change in speed or

  change in shape or

  change in size or

  change in direction

• same speed or

  same shape or

  same size or

  same direction

If a car maintains a steady constant speed of exactly 75 km/h then the forces must be ....

• balanced because there is no change in speed

• unbalanced because there is steady forward motion

The red car is moving ....

• faster and faster (accelerating)

• moving at a constant unchanging speed

• slower and slowing (deceleration)

If a car maintains a steady constant speed of exactly 25m/s then the forces must be ....

• balanced because there is no change in speed

• unbalanced because there is steady forward motion

Tick all the cars that are keeping a constant unchanging speed

• red

• blue

• green

• yellow

• none of them

Which of these is an example of a balanced force

• maintaining the same steady constant movement

• maintaining the same steady constant stillness

• changing movement

The boy is getting faster and faster as he accelerates due to gravity. This means the forces acting on the boy are ...

• Balanced

• Unbalanced

This car is travelling at a steady constant unchanging speed. This means that the forces acting on the car are ...

• balanced

• unbalanced

Which picture shows balanced forces?

• Top

• Bottom

Tick all the cars that show balanced forces

• red

• blue

• green

• yellow

• none of them