Newton's Law Test

What is force?

• A push that causes a change in an object's motion

• A push or a pull that causes an object to move, stop, or change direction

• A pull that causes an object to move, stop, or change direct

• Change in an objects motion

How does an applied force affect an object that is not moving?

• No affect

• It will cause it to accelerate in the opposite direction of the force

• It will decelerate in the direction of the force

• It will cause it to accelerate in the direction of the force

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

What force causes downward acceleration?

• applied force

• normal force

• friction force

• gravity force

Which formula would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• f = ma

• a = f *m

• m = f * a

Which shows the correct substitutions would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• a = 50 / 25

• a = 25 / 50

• f = 55 * 25

• m = 56 + 7

What is the answer for the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• 100 m/s²

• 2 m/s²

• 0.5 m/s²

• 0.125 m/s²

What is the net force?

• 800 N

• 600 N

• 400 N

• 400 N down

What is the SI unit of force?

• Joules

• kilograms

• Newtons

• Isaac

Two objects collide. Which of the following is true according to Newton's THIRD law?

• the force on each is equal in magnitude and the same direction

• the force on each is equal in magnitude and opposite in direction

• the more massive one has a bigger reaction

• the more massive one has more inertia