Newtons Laws

What is Newton's 1st Law of Motion?

• An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

• An object will accelerate in the direction of the net force acting on it.

• For every action, there is an equal and opposite reaction.

• Objects in motion will eventually come to a stop without external forces.

What does it mean for forces to be unbalanced?

• Unbalanced forces result in a net force that causes an object to accelerate or change its motion.

• Unbalanced forces are equal in magnitude and direction, resulting in no change in motion.

• Unbalanced forces always act in pairs and cancel each other out.

• Unbalanced forces are only present when an object is at rest.

What is the formula for calculating force?

• F = M + A (Force equals mass plus acceleration)

• F = M / A (Force equals mass divided by acceleration)

• F = M x A (Force equals mass times acceleration)

• F = M - A (Force equals mass minus acceleration)

What happens to an object in motion if no net force acts on it?

• It comes to a stop immediately.

• It continues to move at a constant velocity.

• It accelerates in the direction of motion.

• It changes direction randomly.

What is Newton's 2nd Law of Motion?

• The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. (F = M x A)

• The velocity of an object is constant unless acted upon by a net external force.

• The force acting on an object is equal to the mass of the object multiplied by its velocity.

• For every action, there is an equal and opposite reaction.

What is the relationship between mass and acceleration in Newton's 2nd Law?

• As mass increases, acceleration increases if the force remains constant.

• As mass increases, acceleration decreases if the force remains constant.

• Mass and acceleration are independent of each other in Newton's 2nd Law.

• Increasing mass has no effect on acceleration regardless of the force applied.

If a 10 kg object is accelerating at 5 m/s², what is the force acting on it?

• 30 Newtons

• 40 Newtons

• 50 Newtons

• 60 Newtons

What is an example of Newton's 2nd Law in action?

• Pushing a shopping cart: the harder you push (more force), the faster it accelerates.

• Dropping a ball: it falls to the ground due to gravity.

• Throwing a frisbee: it glides through the air without any force applied.

• Riding a bicycle downhill: it speeds up without pedaling.

What is inertia?

• Inertia is the tendency of an object to resist changes in its state of motion.

• Inertia is the force that causes an object to accelerate.

• Inertia is the speed at which an object moves in a straight line.

• Inertia is the mass of an object multiplied by its velocity.

What does it mean for forces to be balanced?

• The total net force acting on an object is zero, resulting in no change in motion.

• The forces acting on an object are unequal, causing it to accelerate.

• The object is at rest and will not move unless acted upon by an external force.

• The forces are equal in magnitude but opposite in direction, causing rotation.