Physics 8 - Module 1: Forces

Physics 8 - Module 1: Forces

Answer honestly!

Multiple Select

Friction is the force acting against or opposite of an object on contact with, which makes the movement of the object slow down.

• True

• False

Multiple Select

Magnitude points where the object goes.

• True

• False

Multiple Select

Point of application is the location where the force is applied.

• True

• False

Multiple Select

To solve for the net force, you get the sum of all the forces exerted in the object.

• True

• False

Multiple Select

10N of force is exerted on a box, it is expected to move in the direction opposite the side where the force is applied.

• True

• False

Multiple Select

Forces always occur in pairs.

• True

• False

Multiple Select

Net force is the sum of all forces acting on an object.

• True

• False

Multiple Select

Balanced forces are forces that cause a change in the motion of an object.

• True

• False

Multiple Select

Gravitational and magnetic forces are examples of contact forces.

• True

• False

Multiple Select

Force is a push or a pull that is applied to an object.

• True

• False

Multiple Choice

Two groups in a game of tag are pulling on a rope with the same amount of force in opposite directions. The rope will

• Move up

• Move down

• Not move at all

• Whirl around the players

Multiple Choice

What forces acts perpendicular to the surface of the in contact with?

• Applied

• Gravitational

• Normal

• Tension

Multiple Choice

If the forces in an object is balanced, the net force is _________

• Contact forces

• Equal to zero

• Non - contact forces

• Unequal to zero

Multiple Choice

What refers to how large or strong a force is?

• Direction of the force

• Line of the force

• Magnitude

• Velocity

Multiple Choice

What force pulls an object back to Earth?

• Applied

• Gravitational

• Magnetic

• Tension

Multiple Choice

What force is always applied opposite to the motion of an object?

• Friction

• Gravitational

• Magnetic

• Tension

Multiple Choice

What is the net force exerted on the object in the picture?

• 30N to the right

• 10N to the left

• 10N to the right

• 30N to the left

Multiple Choice

An example of non - contact force is

• Applied force

• Friction

• Gravitational force

• Tension force

Multiple Choice

The Earth has a bigger mass than the Moon. If you were to travel to the Moon, what happens to your weight?

• Decreases

• Increases

• Stays the same

• Varies in night and day

Multiple Choice

A leaf falls from a tree. What force(s) are acting on it?

• Air resistance only

• Air resistance and gravitational forces

• Applied force and gravitational force

• Gravitational force only

Open Ended

A boy and a girl are pulling a heavy crate at the same time, in the same direction with 10 units of force each. What is the net force acting on the object?