Gravitational Forces

Front

What is the force that pulls objects towards the center of the Earth?

Back

Gravity

Front

The amount of attraction between two objects which are not in contact with each other is known as the _________.

Back

Gravitational force

Front

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

Back

Friction

Front

When do gravitational forces exist between two objects?

Back

They are always present between any two objects.

Front

Calculate the gravitational force between a 15-kg chinchilla and a 65-kg dog which are separated by 0.30 m.

Back

F_g = 7.2*10^-7 N

Front

Define gravitational force.

Back

The attractive force that acts between any two masses.

Front

What is the formula for calculating gravitational force?

Back

F_g = G * (m1 * m2) / r^2, where G is the gravitational constant.

Front

What is the gravitational constant (G)?

Back

G = 6.674 × 10^-11 N(m/kg)^2.

Front

How does mass affect gravitational force?

Back

Gravitational force increases with the mass of the objects.

Front

How does distance affect gravitational force?

Back

Gravitational force decreases as the distance between the objects increases.