Forces and Motion RA

What is a force?

• A push or pull on an object

• A type of energy

• A form of matter

• A unit of measurement

Which unit is used to measure the strength of a force?

• Newton

• Joule

• Watt

• Pascal

What type of force is exerted when objects are touching each other?

• Contact force

• Non-contact force

• Gravitational force

• Magnetic force

Which of the following is a non-contact force?

• Gravity

• Friction

• Normal force

• Applied force

What does the length of an arrow represent in force diagrams?

• The strength of the force

• The direction of the force

• The type of force

• The source of the force

What type of friction occurs when an object rolls across a surface?

• Rolling friction

• Sliding friction

• Fluid friction

• Static friction

Which factor does NOT affect gravitational force?

• The color of the objects

• The mass of the objects

• The distance between the objects

• The presence of other forces

What happens to gravitational force as the distance between two objects increases?

• It decreases

• It increases

• It remains the same

• It becomes zero

What is magnetism?

• A force that attracts or repels magnetic materials

• A type of contact force

• A form of energy

• A unit of measurement

Which of the following is true about magnetic force?

• It decreases as the distance between magnetic materials increases

• It increases with the color of the magnet

• It remains constant regardless of distance

• It is a contact force