20% Practice Quiz: Unit 2

Which statement below best corresponds to NORMAL force?

• The force that works in the opposite direction in which the object is moving, or trying to move.

• The natural pull of objects toward each other.

• The exertion of a force in the opposite direction at both ends.

• The force that a surface exerts to prevent solid objects from passing through.

• The attraction or repulsion that arises between electrically charged particles.

Which statement below best corresponds to GRAVITY force?

• The force that works in the opposite direction in which the object is moving, or trying to move.

• The natural pull of objects toward each other.

• The exertion of a force in the opposite direction at both ends.

• The force that a surface exerts to prevent solid objects from passing through.

• The attraction or repulsion that arises between electrically charged particles.

Which statement below best corresponds to ELASTIC force?

• The force that works in the opposite direction in which the object is moving, or trying to move.

• The natural pull of objects toward each other.

• The exertion of a force in the opposite direction at both ends.

• The force that a surface exerts to prevent solid objects from passing through.

• The attraction or repulsion that arises between electrically charged particles.

Which statement below best corresponds to FRICTION force?

• The force that works in the opposite direction in which the object is moving, or trying to move.

• The natural pull of objects toward each other.

• The exertion of a force in the opposite direction at both ends.

• The force that a surface exerts to prevent solid objects from passing through.

• The attraction or repulsion that arises between electrically charged particles.

In the following image, which vector represents GRAVITY?

• The green vector

• The red vector

• The blue vector

• The pink vector

• Neither vector

In the following image, which vector represents FRICTION?

• The green vector

• The red vector

• The blue vector

• The pink vector

• Neither vector

In the following image, which vector represents NORMAL force?

• The green vector

• The red vector

• The blue vector

• The pink vector

• Neither vector

Which forces have the same magnitude but different direction?

• Vectors g and h

• Vectors c and b

• Vectors a and h

• Vectors d and e

• Vectors g and f

Which forces have the same direction but different magnitude?

• Vectors g and h

• Vectors c and b

• Vectors a and h

• Vectors d and e

• Vectors g and f

Which pair of forces are equal?

• Vectors g and h

• Vectors c and b

• Vectors a and h

• Vectors d and e

• Vectors g and f