Year 7 Gravity, Magnetism, Static Electricity

What force holds planets in motion around the sun?

• Magnetic

• Electrical

• Gravitational

• Friction

What does the strength of gravity between two objects depend upon?

• Mass and distance

• Mass and weight

• Gravity and inertia

• Inertia and mass

All objects in the universe have a gravitational attraction to each other.

• True

• False

What is defined as a push or pull?

• Force

• Motion

• Vector

• Speed

This type of force resist motion between two surfaces that are pressed together

• Contact

• Gravity

• Magnetism

• Friction

What is the unit of force?

• m/s

• m/s^2

• Newton

• kg

If the net force is zero, the forces acting on the object are ...

• strong

• weak

• balanced

• unbalanced

Balanced forces do not change the object's speed or ...

• distance

• direction

• time

• mass

What is it called when the force of gravity is acting on an object?

• Weight

• Sliding Friction

• Momentum

• Projectile Motion

Every magnet has a north and a south pole.

• True

• False