Forces Quiz

Often called the law of inertia, this law says the objects in motion stay in motion unless acted on by an outside force.

• 1st Law

• 2nd Law

• 3rd Law

• 4th Law

Often called the law of acceleration, this law says the acceleration of an object is equal to the net force on the object divided by the mass of the object.

• 1st Law

• 2nd Law

• 3rd Law

• 4th Law

Often called the law of action/reaction, this law says for every action there is an equal and opposite reaction.

• 1st Law

• 2nd Law

• 3rd Law

• 4th Law

What determines an object's resistance to motion change?

• Inertia

• Acceleration

• Action

• Volume

If you were to push on a wall with a force of 100 N, how much force does the wall apply back to you?

• 100

• 50

• 25

• 175

If you slide a toy car across a frictionless lake of ice at 50 m/s, how fast should the car be moving after 100 seconds?

• 50 m/s

• 20 m/s

• 150 m/s

• 75 m/s

If a coin is sitting on a table top and is not touched by anything else for 5 seconds, what will be its speed after those 5 seconds?

• 0 m/s

• 5 m/s

• -10 m/s

• 100000 m/s

What is the force required to move a 100 kg shopping cart to an acceleration of 7.5 m/s^2?

• 750 N

• 1500 N

• 13.33 N

• 200 N

What is the weight of a truck that is 2800 kg? (g = 9.8 m/s^2)( Fg = mg)

• 27440 N

• 286 N

• 2809.8 N

• 2790.2 N

What is the gravitational force between a 1500 kg object and a 1250 kg object that are 250 km apart?

(F = G*m1*m2/d^2) (G = 6.74*10^-11)

• 2.0*10^-9 N

• 7.89 N

• 5.055*10^-7 N

• 100 N