Show:
Definitions
Net Force
Force of Gravity
Force of Friction
Inclined Planes and Forces at Angles
100
Which force always acts in the opposite direction as motion?

Friction

100

If two dogs exert equal forces in opposite directions on a chew toy, in what direction will the chew toy accelerate?

It will not accelerate.

100

What letter do we use to represent the vertical direction (hint: Fwhat?)

y

100

𝜇 represents what about a surface?

The roughness of the surface

100

The parallel force is equal to Fg times what?

Sin(angle)

200

Newton's first law states that an object in motion will do what?

Stay in motion.

200

Three people push a car, each with a force of 15 N. What is the Net Force acting on the car?

45 Newtons

200

The acceleration due to gravity on Earth is equal to what?

-10 m/s2

200

Which type of friction deals with stationary objects?

Static

200

The perpendicular force is equal to Fg times what?

Cos(angle)

300

What is the technical name for mu, 𝜇?

The coefficient of friction

300

An object of mass 7kg accelerates at a rate of 4 m/s2. What is the Net Force acting on the object?

28 Newtons

300

What is the Force of Gravity a 2kg object exerts on the ground?

-20 Newtons

300

The force of friction can be calculated by multiplying 𝜇 by what?

The Normal Force

300

A Force of 30 Newtons is applied at a 60 degree angle. What is the x-component of force?

15 Newtons

400

Newtons Third law states that every force creates what?

An Equal and opposite force.

400

51 Newtons of force is exerted on a 3 kg object. At what rate will it accelerate?

17 m/s2

400

Two objects of masses m1=3kg and m2=300kg are dropped from the same height at the same time. Which will hit the ground first?

They will land at the same time.

400

A 15kg object sits on a surface. 𝜇s=0.33. What is the force of static friction?

50 Newtons

400

A 13kg Object sits on an incline at a 30 degree angle. What is the Force parallel to the inclined plane?

75 Newtons

500

The Normal Force is equal and opposite to what other force?

The Force of gravity

500

An object experiencing a net force of zero will have what acceleration?

0 m/s2

500

An object rolls off a desk. What is its initial y-velocity?

0 m/s
500

The value of 𝜇 is always between what two number?

0 and 1

500

The Normal Force on an inclined plane is equal and opposite to what?

The Perpendicular Force