Forces

Which is NOT a unit of force?

• Dyne

• Joules

• Newton

• Pound

What refers to how large or strong is the force?

• magnitude

• line of action

• velocity ofobject

• direction of the force

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

• Friction

• Gravitational

• Magnetic

• Tension

What force pulls an object back to the Earth

• Applied

• Gravitational

• Magnetic

• Tension

Which surface would be easiest for a bicycle to move

• Sand

• Grass

• Muddy sand

• Concrete road

What type of forces holds between two celestial bodies like the Sun and Earth?

• Applied

• Gravitational

• Magnetic

• Tension

What force acts perpendicular to the surface of the object in contact with?

• Applied

• Gravitational

• Normal

• Tension

Two people pull a rope in a tug-of-war. Each pull with a 300 N force. What is the net force?

• 0 N

• 300 N

• 600 N

• 900 N

Planet Jupiter has a bigger mass than the Earth. If you were able to travel to planet Jupiter, what happens to your weight?

• increases

• decreases

• stays the same

• varies with day and night

The wheel barrow at rest containing stones has a force of 1000 N. A man exerted a push of 500 N. Will he able to move the wheel barrow?