Forces and movement

Question 1

What are forces measured in?

Answer 1

Newtons (N)

Question 2

What do forces usually act in?

Answer 2

Forces act in pairs

Question 3

What do you use to measure forces

Answer 3

A newton metre

Question 4

What are the 5 things a force can make an object do?

Answer 4

1. Speed up or start moving - Push force must be larger than a resisting force like friction
2. Slow down or stop moving - like drag resistance
3. Change direction
4. Turn - like turning a spanner
5. Change shape - compressing and stretching, bending and twisting

Question 5

Give the 2 important statements.

Answer 5

1) Balanced force produce no change in force
2) Unbalanced forces change the speed and/or direction of moving objects