Physics Quiz on Forces and Motion

What is the main difference between contact and non-contact forces?

• Contact forces do not affect motion, while non-contact forces do.

• Contact forces involve physical interaction, while non-contact forces act without touching.

• Non-contact forces only act on small objects, while contact forces act on larger objects.

• Contact forces act at a distance, while non-contact forces require physical interaction.

How does reducing friction affect the motion of an object?

• It makes the object stop faster.

• It causes the object to move slower.

• It allows the object to move more easily.

• It increases the object's mass.

According to Newton’s First Law of Motion, why does an object remain at rest?

• There are no unbalanced forces acting on it.

• It has a large mass.

• Gravity is acting on the object.

• The object has no energy to move.

Which of the following factors increases the gravitational force more significantly?

• Mass of the objects

• Distance between objects

• Surface area of objects

• Volume of the objects

What happens when two balanced forces act on an object?

• The object accelerates.

• The object moves faster.

• The object remains in place or continues moving at the same speed.

• The object changes direction.

What role does friction play in everyday movement?

• It always increases speed.

• It helps objects come to rest.

• It makes objects lighter.

• It eliminates the need for force.

In Newton's First Law, what is inertia?

• The force acting on an object.

• The tendency of an object to resist changes in motion.

• The speed at which an object moves.

• The weight of an object.

What effect does increasing the mass of an object have on gravitational force?

• It decreases the force.

• It increases the force.

• It has no effect on force.

• It depends on the shape of the object.

How does friction affect the movement of a block on sandpaper compared to a smooth surface?

• The block moves more easily on sandpaper.

• Friction on sandpaper increases the force needed to move the block.

• The block moves faster on sandpaper.

• There is no friction difference.

How is force defined in Newton's Laws of Motion?

• Force is mass multiplied by gravity.

• Force is a push or pull that can change an object's motion.

• Force is the speed of an object.

• Force is the mass of an object divided by time.