secrof Review

What force caused the wagon to stop?

• The force of gravity which is acting in the same direction as the arrow.

• The force of friction which is acting in the same direction as the arrow.

• The force of gravity which is acting in the opposite direction of the arrow.

• The force of friction which is acting in the opposite direction of the arrow.

Which of the following best describes the force applied to the ball, first by the pitcher then by gravity?

• The first force is friction, and the second force is a push.

• The first force is a push, and the second force is a pull.

• The first force is a pull, and the second force is friction.

• The first force is a pull, and the second force is a push.

What should the students do to make the cart move in the same direction?

• Student 1 pulls the cart to the left while Student 2 pulls the cart to the right.

• Student 1 pushes the cart to the right while Student 2 pulls the cart upward.

• Student 1 pulls the cart to the left while Student 2 pushes the cart to the left.

• Student 1 pushes the cart to the right while Student 2 pushes the cart downward.

Which of the following best explains why Aliyah has to use a greater force to move desk A than desk B?

• Desk A is smaller in size than desk B.

• Desk A has more mass than desk B.

• Desk A is larger in size than desk B.

• Desk A has less mass than desk B.

Which of the following conclusions can be made based on the results of the race?

• Both bikes are traveling at the same speed since they travel the same distance.

• Both bikes are traveling at the same speed, but have different masses.

• Tre'von's bike is traveling at a greater speed than Khadiza's bike.

• Khadiza's bike is traveling at a greater speed than Tre'von's bike.

Which of the following objects, when placed in the spot labeled X, would cause the bar magnets to push away from it?

• the north end of another bar magnet

• the south end of another bar magnet

• an aluminum can

• an iron nail

At what point would the model rocket overcome the force of gravity?

• When the student places the model rocket on the ground before launching it into the air.

• When the model rocket falls back to the ground after being launched into the air.

• When the model rocket goes upward after being launched into the air.

• When the model rocket lands on the ground.

Philip is playing tug of war with Nancy. To win the game of tug of war, one player must pull the flag on the rope over their winning line. During their game, the flag tied to the center of the rope is not moving. Which of the following best explains why the rope was not moving?

• Philip is applying more force in one direction than Nancy.

• Nancy is applying more force in one direction than Philip.

• Philip and Nancy are applying equal forces in the same direction.

• Philip and Nancy are applying equal forces in the opposite direction.

Which statement best describes what happens to the cars as they leave the bottom of the ramp?

• They change direction.

• They start spinning.

• They stop moving.

• They speed up.

How does removing the books affect the motion of the bookcase?

• The mechanical energy is decreased, making the bookcase move faster.

• The friction is increased, making the bookcase move slower.

• The gravity is increased, making the bookcase move slower.

• The mass is decreased, making the bookcase move faster.