Forces Review

Front

What is the horizontal component of a force of 10 N at an angle of 37° above the horizontal?

Back

8.0 N

Front

Which type of force opposes the motion of an object?

Back

Friction force

Front

As the force applied to an object increases, what happens to its acceleration?

Back

It increases.

Front

What is the net force on an object if the forces acting on it are 80 N East and 40 N West?

Back

40 N East

Front

What is the expression for the Normal Force when an object is on an inclined plane?

Back

F_N = mg cos(ϴ)

Front

Define net force.

Back

The vector sum of all forces acting on an object.

Front

What is the formula for calculating force?

Back

F = ma (Force = mass × acceleration)

Front

What is the role of friction in motion?

Back

Friction opposes the relative motion between two surfaces.

Front

Explain the concept of gravitational force.

Back

Gravitational force is the attraction between two masses, proportional to their masses and inversely proportional to the square of the distance between their centers.

Front

What is the difference between static and kinetic friction?

Back

Static friction prevents motion, while kinetic friction acts on moving objects.