Newton's Laws and Forces Concepts

which law states for every action, there is an equal and opposite reaction.

• Newton's 1st law

• Newton's 2nd law

• Newton's 3rd law

choose which are non contact forces.

• gravitational force

• electrical force

• magnetic force

• applied force

• normal force

which law demonstrates the following: the magician quickly pulls the tablecloth from under a set of dishes and the dishes do not move.

• newtons 1st law

• newtons 2nd law

• newtons 3rd law

what term is used to describe objects at rest or objects moving at a constant velocity?

• inertia

• equilibrium

• net force

• normal force

A 4000 kg boat is speeding up at 4m/s2 down a 2000 m lake. What is the force exerted on the boat?

• 1,000 N

• 1,000 m

• 16,000 N

• 16,000 m

A person throws a box with a force of 375 N. If the box accelerates at 50 m/s2 what is the box's mass?

• 18,750 kg

• 18,750 N

• 7.5 N

• 7.5 kg

it takes 180,000 N to stop a 4000 kg truck. What is the acceleration of the truck?

• 45 kg

• 45 m/s2

• 720,000,000 kg

• 720,000,000 m/s2

a tow truck pulls with a force of 8700 N and is speeding up at 3 m/s2 what is the mass of the truck?

• 2,900 kg

• 2,900 m/s2

• 26,100 kg

• 26,100 m/s2

which law demonstrates the following: a bicycle tire pushes on the road and the road pushes back on the tire?

• newtons 3rd law

• newtons 2nd law

• newtons 1st law

which law demonstrates the following: a skateboard hits a rock and is thrown over it onto the ground?

• newtons 1st law

• newtons 3rd law

• newtons 2nd law