Laws Of Motion Examples Question Preview (ID: 39713)


Laws Of Motion Examples.

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.
a) 7 m/s2
b) 10 m/s2
c) 4 m/s2
d) 100 m/s2

An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
a) 5 N
b) 10 N
c) 20 N
d) 40 N

A spring scale is used to apply 4 N of force to a toy car with a mass of 0.3 kg. What is the acceleration of the toy car to the nearest tenth m/s2 ?
a) 1.2 m/s2
b) 15.3 m/s2
c) .075 m/s2
d) 13.3 m/s2

A soccer player kicks a 0.45 kg soccer ball, and the ball accelerates at a rate of 200 m/s2 . How much force did the soccer player use to kick the ball
a) 444.44
b) 90
c) 100
d) 756

A balloon in a car will appear to move when the car moves forward, but the balloon is actually attempting to stay in the place it was, it is only the car that is moving.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

When you stir coffee or tea and stop, the swirling motion continues
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

Objects that establish orbit around the earth, like satellites, continue on their trajectory
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

If pulled quickly, a tablecloth can be removed from underneath of dishes. The dishes have the tendency to remain still as long as the friction from the movement of the tablecloth is not too great.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

Passengers travelling by train fall forward when the train applies sudden brake
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

The elephant's feet push backward on the ground; the ground pushes forward on its feet
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

The right end of the right rope pulls leftward on the elephant's body; its body pulls rightward on the right end of the right rope.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

The swimmer pushes against the water, the water pushes back on the swimmer and pushes her forward.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

A person pushes against a wall, and the wall exerts an equal and opposite force against the person.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

The ball puts a force on the wall, and the wall puts a force on the ball so the ball bounces off.
a) Law of inertia
b) Law of force, mass, and acceleration
c) Law of action and reaction
d) Not a law of motion

A basketball player shoots the basketball towards the basket. The basketball has a force of 20 N and an acceleration of 4 m/s, what is the mass of the basketball?
a) 0.2 g
b) 5 g
c) 40 g
d) 80 g

The force is 256 N and the acceleration is 8. What is the mass of the object?
a) 3056 g
b) 2048 g
c) 57 g
d) 32 g

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