100Ns
150Ns
250Ns
400Ns
Correct answer is A
I = Ft = m(v - u)
= 5(50 - 30) = 100
26.7cm
40.0cm
160.0cm
240.0cm
Correct answer is D
No explanation has been provided for this answer.
2N
7N
10N
14N
Correct answer is C
R = \(\sqrt{A^2 + B^2} = \sqrt{6^2 + 8^2} = 10N\)
i only
ii only
iii only
ii and iii only
Correct answer is A
No explanation has been provided for this answer.
A moving body accelerates when it?
changes its direction at constant speed
maintains a constant linear speed
covers equal distances in equal times in a straight line
is acted upon by balanced forces
none of the above
Correct answer is E
Acceleration is the rate of change of the velocity of an object with respect to time.