2.4 - Forces and movement

Question 1

What is the unit used to measure forces?

Answer 1

newton

Question 2

Which of the following is NOT an effect that forces can have on an object?

speed up or start moving

change direction

slow down or stop

change mass

Answer 2

change mass

Question 3

Forces that cause no acceleration are called:

Answer 3

balanced forces

Question 4

Which of the following statements about forces is TRUE?

forces act in a specific direction

forces are measured in kilograms

forces can be seen directly

forces always require objects to touch

Answer 4

forces act in a specific direction

Question 5

What happens when unbalanced forces act on an object?

Answer 5

the object’s speed and/or direction of motion changes

Question 6

Which of the following is an example of balanced forces acting on an object?

A car accelerating on a road

A ball rolling down a hill

A rocket experiencing thrust and gravity

A book resting on a table

Answer 6

A book resting on a table

Question 7

Forces are defined as:

Answer 7

pushes or pulls between two interacting objects