Force and Motion

Front

What is the force that tries to pull two objects together?

Back

Gravity is the force that tries to pull two objects together.

Front

What type of force is demonstrated by the brakes being used on roller blades?

Back

Friction is the force demonstrated by the brakes being used on roller blades.

Front

What do we call a push or pull of an object?

Back

A push or pull of an object is called a force.

Front

What force is responsible for keeping objects on the ground?

Back

Gravity is responsible for keeping objects on the ground.

Front

What is the term for the force that opposes motion between two surfaces in contact?

Back

Friction is the force that opposes motion between two surfaces in contact.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the formula for calculating force?

Back

Force is calculated using the formula: Force = Mass x Acceleration (F = ma).

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the role of friction in motion?

Back

Friction acts to slow down or stop the motion of an object.

Front

What is the effect of gravity on falling objects?

Back

Gravity causes all objects to accelerate towards the Earth at approximately 9.81 m/s².