Measuring Forces

What is the name of the force which pushes upwards in a fluid?

• Weight

• Upthrust

• Density

• Floating

The force exerted by a charged body on another charge:

• gravitational force

• electrostatic force

• non-contact force

• contact force

These forces are...

• Balanced

• Unbalanced

The force exerted by the earth to pull the object towards itself is called

• Electrostatic force

• Gravitational force

• Muscular force

• Contact force

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Muscular force is also called

• Non contact force

• Contact force

• Gravitational force

• Magnetic force

In this force diagram, which way will the van move?

• Upward

• To the left

• To the right

• Downward

THE PRESSURE WHICH IS EXERTED BY THE AIR AROUND US IS KNOWN AS:

• FRICTION

• FORCE

• ATMOSPHERIC PRESSURE

• MUSCULAR FORCE

This book is resting on the table. Which two forces are acting on the book?

• Gravitational up and electrical down

• Gravitational down and table up

• Magnetic up and electrical down

• Friction down and gravitational down

Which of these is not a contact force.

• Friction

• Air resistance

• Magnetism

• Reaction Force