Physics Quiz

A force is described as:

• Push only

• Pull only

• Twist only

• Push or pull

What must be true if an object is not moving and has two forces acting on it?

• The forces act in the same direction.

• The forces are equal in size and opposite in direction, resulting in a net force of zero.

• The object is too heavy for any force to move it.

• No forces are acting on it.

The primary force slowing a skateboard down on a concrete path is:

• Friction

• Gravity

• The pushing force

• Reaction force of the ground

Which of the following is an example of a non-contact force?

• Magnet attracting another magnet

• Hitting a tennis ball

• Pulling a dog's leash

• Pushing a swing

A swimmer racing at constant speed is opposed by which force?

• Drag

• Buoyancy

• Gravity

• Mass

A force without a field is:

• Gravity

• Magnetic

• Friction

• Electrostatic

The mechanical advantage of a single fixed pulley is:

• 1

• 2

• 0.5

• Cannot be determined

The main benefit of using a ramp is:

• Easier than lifting the object directly.

• Increases friction.

• Reduces object weight.

• Avoids gravity's effects.

Identify the correct parts of a wheelbarrow labeled as P, Q, and R:

• P = fulcrum, Q = load, R = effort

• P = load, Q = effort, R = fulcrum

• P = load, Q = fulcrum, R = effort

• P = effort, Q = fulcrum, R = load

For a coin sliding on a benchtop vs. carpet, which surface allows greater distance?

• Benchtop

• Carpet