Copy of Force and Motion

Multiple Choice

When the resulting force is greater than zero what type of force is acting on the objects? 

• balanced force
• unbalanced force

Fill in the Blank

a push or pull that can change the position or motion of an object

Fill in the Blank

A force that pulls things toward the center of the Earth.

Multiple Choice

What is the type of contact force that is being described?

A foot kicking a soccer ball

• Applied Force

• Normal Force

• Friction

• Air Resistance

Multiple Choice

Which concept is shown in this situation?

The potter can knead the clay into different kinds of jars.

• Force can change the position or direction of a moving object.

• Force can change the speed of a moving object.

• Force can stop a moving object.

• Force can change the shape and size of objects.

Multiple Choice

What happens to the shape of the bow when you draw it?

• It becomes longer

• It becomes shorter

• It changes shape

• It remains the same

Multiple Choice

What is the effect of lubricants like oil or grease on friction?

• They increase friction

• They have no effect on friction

• They decrease friction

• They only work on certain materials

Multiple Choice

What is an example of a pull as a force?

• Opening a door

• Pushing a cart

• Lifting a box

• Throwing a ball

Multiple Choice

What kind of force works between magnets? Look at the picture showing two magnets pulling toward each other.

• Gravitational force

• Frictional force

• Magnetic force

• Tensile force

Multiple Choice

What is an example of pressure as a force?

• Pushing down on a pile of grapes

• Walking on a snowy day

• Squashing grapes

• Leaving footprints

Multiple Choice

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

Multiple Choice

Why is the force of gravity weaker on the

Moon than on Earth?

• because the Moon has a smaller mass than

  Earth

• because the Moon has less water than Earth

• because the Moon is colder than Earth

Multiple Choice

What effect does gravity have on the dog's jump?

• It makes the dog jump higher

• It has no effect

• It slows the dog down

• It helps the dog land safely

Fill in the Blank

Write down four examples of contact forces

,

,

,

Multiple Choice

What force causes the dog to come back to the ground after jumping?

• Friction

• Magnetism

• Gravity

• Inertia

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident