Legends of Learning Forces Acting Upon Objects

.....................are the pushes and pulls that affect motion.

• Forces

• Gravity

• Mass

• Air Resistance

.....................is the force that pulls objects towards each other.

• Gravity

• Friction

• Magnetism

• Electricity

What is a force that opposes motion between two surfaces that are touching called?

• Gravity

• Friction

• Inertia

• Momentum

If the total force on an object is not zero, its ______will change.

• Mass

• Speed

• Momentum

• Direction

What is velocity?

• the distance covered by an object in unit time

• the distance covered by an object in unit speed

An unbalanced force can be applied to a car to ___________.

• Stop the car

• Accelerate the car

• Change the car's direction

• All of the above

An object is moving at a constant velocity. What can you conclude about the object?

• 1. The object is accelerating

• 2. The object is at rest

• 3. The object is experiencing an unbalanced force

• 4. The object is experiencing balanced forces

A bowling ball and a soccer ball are rolled with the same force. Why did the soccer ball have a greater change in motion?

• 1. The soccer ball is lighter

• 2. The soccer ball is heavier

• 3. The soccer ball is rounder

• 4. The soccer ball is smaller

A person is standing on the ground. Gravity and the ground are both exerting forces on the person. Which of the following is true?

• 1. The person will start floating

• 2. The person will sink into the ground

• 3. The forces are unbalanced causing the person to move

• 4. The forces are balanced keeping the person stationary

Which of the following would NOT occur as the result of an unbalanced force on an object?

• 1. The object's speed will change

• 2. The object's direction will change

• 3. The object's mass will change

• 4. The object's momentum will change