Forces Almost There

Front

What is net force?

Back

Net force is the total force acting on an object after all the individual forces are combined. It determines the object's acceleration.

Front

How do you calculate net force when friction is involved?

Back

Net force can be calculated by subtracting the frictional force from the applied force: Net Force = Applied Force - Frictional Force.

Front

What is the formula for calculating acceleration?

Back

Acceleration (a) can be calculated using Newton's second law: a = Net Force / Mass.

Front

What is Newton's third law of motion?

Back

For every action, there is an equal and opposite reaction. This means that forces always occur in pairs.

Front

If a 20 kg object has a net force of 60 N acting on it, what is its acceleration?

Back

Using a = F/m, acceleration = 60 N / 20 kg = 3 m/s².

Front

What happens to the net force when an object moves at constant speed?

Back

When an object moves at constant speed, the net force acting on it is zero.

Front

What is the relationship between mass and acceleration when a constant force is applied?

Back

As mass increases, acceleration decreases if the force remains constant, according to F = ma.

Front

If a force of 4000 N is applied to a 1000 kg car, what is the acceleration?

Back

Using a = F/m, acceleration = 4000 N / 1000 kg = 4 m/s².

Front

What is friction?

Back

Friction is the force that opposes the motion of an object. It acts parallel to the surfaces in contact.

Front

How do you determine the force exerted by one object on another during a collision?

Back

According to Newton's third law, the force exerted by one object on another is equal in magnitude and opposite in direction to the force exerted by the second object.