Balance and Unbalance Forces

1.What is the definition of balanced forces?

• a) Forces acting in the same direction

• b) Forces that cancel each other out

• c) Forces that create motion

• d) Forces that cause an object to speed up

2. Which of the following is an example of unbalanced forces?

• a) A book resting on a table

• b) A car accelerating on a highway

• c) A person standing still

• d) A flag blowing in the wind

3. When balanced forces act on an object, what happens to its motion?

• a) It speeds up

• b) It slows down

• c) It remains at a constant velocity

• d) It starts rotating

4. Which of the following is true about unbalanced forces?

• a) They cause an object to stay at rest

• b) They do not affect an object's motion

• c) They cause a change in an object's velocity

• d) They always cancel each other out

5. What happens when unbalanced forces are applied to an object at rest?

• a) The object will stay at rest

• b) The object will move in the direction of the stronger force

• c) The object will stay at rest until balanced forces act

• d) The object will move in a circular motion

6. How do balanced forces affect the energy of an object?

• a) They increase the energy

• b) They do not change the energy

• c) They decrease the energy

• d) They transform the energy into heat

7. Which of the following would be an example of balanced forces acting on an object?

• a) A car accelerating down the road

• b) A person pushing a heavy box but the box doesn't move

• c) A ball falling due to gravity

• d) A rocket launching into space

8. Which of the following best describes the effect of unbalanced forces on an object?

• a) The object will stop moving

• b) The object will change its speed or direction

• c) The object will maintain its current motion

• d) The object will remain stationary regardless of the force

9. If a car is moving at a constant speed, what type of forces are acting on it?

• a) Unbalanced forces

• b) Balanced forces

• c) No forces

• d) Only gravitational forces

10.How does friction affect the motion of an object when unbalanced forces are present?

• a) It always increases the motion

• b) It always decreases the motion

• c) It has no effect on motion

• d) It can either increase or decrease the motion depending on the situation