L2 Physics - Forces

In the equation F = -kx, what does F represent?

• force

• spring constant

• Hooke's constant

• extension

In the equation F = -kx, what does k represent?

• force

• spring constant

• Hooke's constant

• extension

In the equation F = -kx, what does x represent?

• force

• spring constant

• Hooke's constant

• extension

In the formula, F = ma, what does the F represent?

• Hooke's constant

• Newton's constant

• force

• pressure

In the formula, F = ma, what does the m represent?

• Hooke's constant

• mass

• force

• pressure

In the formula F = ma, what does the a represent?

• velocity

• acceleration

• force

• mass

In the equation F = -kx, what is the physical significance of the negative sign?

• It represents a decrease in mass.

• It shows the direction of force is opposite to displacement.

• It signifies an increase in force.

• It indicates a loss of energy.

Which of the following is a unit of force?

• Joule

• Newton

• Watt

• Pascal

A body in motion tends to stay in motion unless acted upon by a force. This is ...

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Fourth Law of Motion

A body at rest tends to stay at rest unless acted upon by a force. This is ...

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Fourth Law of Motion