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PHYSICS TEST QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS TEST QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
What is the net force on a box pushed to the right with 50 N of force while being pushed to the left with
20 N of force? - ANSWER The net force is 30N to the right
What two quantities are necessary for a vector quantity? - ANSWER direction and magnitude
An object is at rest. The forces acting on the object - ANSWER are opposite in direction, are equal in
magnitude, and have a vector sum of zero.
How much tension is there in a vertical rope that holds a 20-N bag of apples at rest? - ANSWER 20 N
What is the acceleration of an object in free fall at Earth's surface? - ANSWER 9.8 m⋅s−2
A car is traveling with constant velocity. This means that _______. - ANSWER it is traveling in a straight
line and its speed is not changing
A stone is dropped off a cliff and is in free fall. Every second that the stone is falling, its acceleration
_______. - ANSWER is constant but its velocity is increasing
Suppose that an object in free fall were somehow equipped with a speedometer. By how much would its
speed readings increase with each second of fall? - ANSWER 9.8 m⋅s−1
As an object freely falls, its - ANSWER velocity increases
Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has the same - ANSWER nothing
At the end of two seconds of free fall, an object released from rest will have a speed of - ANSWER 5 m/s
15 m/s
10 m/s
,None of the above
None of the above
When she hikes a distance of 1 km in a time of one-half hour her average speed is - ANSWER twice 1
km/h.
An object is pulled with two forces, 10 N northward and 15 N southward. The direction of the net force is
to the - ANSWER south
Where is your weight greater: on Earth or on the Moon? How about your mass? - ANSWER Your mass is
the same in both locations or any location
Your weight is greater on Earth than on the Moon
Mass is a measure of _______. - ANSWER the quantity of matter in an object and the inertia of the
object
If you pull on a box with a force of 5 N and your teacher pulls on the same box with a force of 5 N in the
opposite direction, the net force on the box is _______. - ANSWER 0 N
An object is at rest. The forces acting on the object _______. - ANSWER are all of the above
What is the acceleration of an object in free fall at Earth's surface? - ANSWER 9.8 m⋅s−2
A free-falling object has a speed of 30 m/s at one instant. Exactly 2 seconds later its speed will be -
ANSWER 50 m/s
Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has twice as much - ANSWER all of the
above
, It is important to know that the term inertia refers to _______. - ANSWER the property of matter to
resist changes in motion
What is the net force that acts on a 10-N freely falling object? - ANSWER 10 N
A heavy parachutist has a greater terminal speed compared with a lighter parachutist with the same size
parachute because the heavier person _______. - ANSWER has to fall faster for air resistance to match
weight
Newton's second law of motion links force, acceleration, and _______ - ANSWER mass
Whenever one object exerts a force on a second object, the second object exerts a force on the first that
_______. - ANSWER occurs simultaneously
Is opposite in direction
Is equal is magnitude
When two horizontal forces are exerted on the car, 250 N forward and 230 N backward, the car
undergoes acceleration. - ANSWER 20 N backward
Newtons first law - ANSWER intertia
Newtons second law - ANSWER acceleration
Newtons third law - ANSWER action-reaction
What is the net force acting on a falling 1-kg ball if it encounters 2 N of air resistance? - ANSWER 7.8 N
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