Laws Of Motion Question Preview (ID: 41303)

What Do You Know About Newton's Laws Of Motion.[print questions]

A car travels 110 km North, turns around and then travels another 80 km South. The final displacement of the car is
a) 30 km
b) 80 km
c) 110 km
d) 190 km

In a tug-o-war match, the blue team is pulling with a force of 310 N and the red team is putting with a force of 335 N. Which team will win and by what force?
a) blue team wins with a force of -25N
b) blue team wins with a force of 25N
c) red team wins with a force of -25N
d) red team wins with a force of 25N

An object traveling 20 m/s accelerates 5 m/s/s for 12 seconds. What is its final velocity?
a) 60 m/s
b) 80 m/s
c) 100 m/s
d) There is not enough information.

Acceleration refers to
a) increasing speed
b) decreasing speed
c) changing direction
d) all of the above

A car accelerates from 15 m/s to 30 m/s in 3.0 s. What is the car's acceleration?
a) 5 m/s/s
b) 10 m/s/s
c) 15 m/s/s
d) 20 m/s/s

What is the speed of a car that travels 200 meters in 25 seconds?
a) 5000 m/s
b) 8 m/s
c) 0.8 m/s
d) 0.125 m/s

If an object is moving with a velocity of 24 m/s and has an acceleration of -4 m/s^2, how long will it take to stop?
a) -96 s
b) -6 s
c) -6 m
d) 6 s

Motion can be described by distance, speed, displacement, and velocity, where _________ and _________ also include direction.
a) speed; velocity
b) distance; displacement
c) speed; displacement
d) displacement; velocity

What causes a falling sky diver to slow down after the parachute opens?
a) gravity
b) friction
c) air resistance
d) the ground

A magician suddenly jerks a tablecloth out from under the dishes on a table. This best demonstrates
a) an action-reaction pair of forces
b) that the dishes have inertia
c) that gravity tends to hold the dishes securely
d) that the dishes have no acceleration

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