Sci Chapter Force

Question 1

What is the definition of force?

Answer 1

Force is a push or pull acting on an object.

Question 2

True or False: Force has both magnitude and direction.

Answer 2

True

Question 3

Fill in the blank: The unit of force in the SI system is __________.

Answer 3

Newton

Question 4

Which of the following is an example of contact force? A) Gravity B) Friction C) Magnetism

Answer 4

B) Friction

Question 5

What is the effect of unbalanced forces on an object?

Answer 5

Unbalanced forces cause an object to accelerate.

Question 6

Name two types of forces.

Answer 6

Contact forces and non-contact forces.

Question 7

True or False: Gravity is a non-contact force.

Answer 7

True

Question 8

What is the relationship between mass and weight?

Answer 8

Weight is the force of gravity acting on an object’s mass.

Question 9

Fill in the blank: The formula to calculate force is __________.

Answer 9

Force = Mass × Acceleration

Question 10

What happens to the motion of an object when equal forces act on it?

Answer 10

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