Lilja Test Practice - 3 - Balanced and Unbalanced Forces

Front

If an object is not moving, the forces acting upon it are _____________

Back

balanced

Front

What type of forces are acting on an object that is moving at a constant speed in a straight line?

Back

balanced

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite

Front

What do we call forces that are equal in size but opposite in direction?

Back

balanced forces

Front

What do we call forces that cause an object to accelerate or change direction?

Back

unbalanced forces

Front

If two people are pushing a car in opposite directions with the same strength, what type of forces are they applying?

Back

balanced forces

Front

If one person pushes a car with more strength than another person pulling it, what type of forces are acting on the car?

Back

unbalanced forces

Front

What happens to an object when unbalanced forces act on it?

Back

It accelerates or changes direction.

Front

What is the effect of balanced forces on an object?

Back

The object remains at rest or continues to move at a constant speed.

Front

What is an example of friction?

Back

A book sliding on a table slows down due to friction.