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This quiz contains 14 questions from a mix of 1 subtopics.
Which of Newton's laws states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force?
Newton's third law
Newton's second law
Newton's first law
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What does Newton's second law state?
for every action, there is an equal and opposite reaction
the rate of change of momentum is directly proportional to the net force experienced
an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force
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What is the formula for Newton’s second law?
F = a/m
F = m/a
F = ma
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Which of Newton's laws states that for every action, there is an equal and opposite reaction?
Newton's second law
Newton's third law
Newton's first law
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According to Newton's third law, the paired forces are always of the same type. True or False?
false
true
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According to Newton's first law, a stationary object will stay still until a resultant force acts upon it. True or False?
true
false
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According to Newton's third law, when Object A exerts a force on Object B, Object B will exert a force on Object A that is:
equal in magnitude but opposite in direction
larger in magnitude
smaller in magnitude
in the same direction
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If a book is at rest on a table, what is the net force acting on the book?
equal to its mass times gravitational acceleration
equal to the normal reaction force from the table
0 N
equal to its weight
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What name is given to the rate of change of momentum?
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State two ways that mass differs from weight.
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A skateboard of mass 5 kg is pushed and accelerates at a rate of 3 ms-2. What is the net force acting on the skateboard?
10 N
8 N
5 N
15 N
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If a trolley experiences an acceleration of 4 m s-2 when a net force of 20 N is applied, what is the mass of the trolley?
15 kg
5 kg
80 kg
10 kg
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A football of mass 0.5 kg is kicked and accelerates at 20 m s-2. Calculate the force applied to the football.
10 N
40 N
30 N
20 N
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A car of mass 1,500 kg is decelerating at a rate of 3 m s-2. What is the net force acting on the car?
4,500 N in the direction of motion
5,000 N in the direction of motion
5,000 N opposite to the direction of motion
4,500 N opposite to the direction of motion
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