FORCES & MOTION QUIZ REVIEW

Knowing an object’s position requires which of the following?

• SPEED

• TIME

• DISPLACEMENT

• REFERENCE POINT

Two people are pulling on a chain in opposite directions with forces of 500 N and 600 N. The forces would best be described as ____.

• BALANCED FORCES

• UNBALANCED FORCES

• ACTION-REACTION FORCES

• GRAVITATIONAL FORCES

During a game of bowling, which of the following describe the ball's motion? Choose ALL that apply

• The ball is accelerated while it is pushed by the student's hand due to an unbalanced force.

• The ball slows down as it rolls because friction exerts an unbalanced force.

• The ball is accelerated while it is held in the student's hand due to balanced forces.

• The ball does not change its motion as it rolls because of the balanced force provided by friction.

• The ball does not change its motion while it is held in the student's hand due to balanced forces.

A test booklet is sitting at rest on a desk. Compared to the force of the booklet on the desk, the force of the desk on the booklet is the same. _______________

• TRUE

• FALSE

The _____ can change when describing motion. It is just the chosen starting point.

• REFERENCE POINT

• DISPLACEMENT

• SPEED

• DISTANCE

When two objects interact through the gravitational force between them, the more massive one has a lower _ than the less massive object.

(a)  

The acceleration of an object is always in the direction of the net force acting on it. _______________

• TRUE

• FALSE

Which of the following is NOT true of gravitational force?

• NONCONTACT

• DEPENDS ON MASS

• DEPENDS ON SPEED

• DISTANCE